399 files changed, 141 insertions, 113 deletions

diff --git a/README.md b/README.md
index cff5110..e519df9 100644
--- a/README.md
+++ b/README.md
@@ -11,11 +11,16 @@ $ make test
 
 ## TODO:
 
+### Tests
+
+* inverse_move
+* inverse_trans
+
 ### AVX2
 
-* static `solvedcube` and co don't work, turn into functions?
+* fix base get_ and set_ macros (constant arguments?)
 * implement missing stuff (moves, transform)
-* optimize things that use _base functions
+* optimize things that use get_ and set_
 
 ### More features
 
diff --git a/benchmark/bench.c b/benchmark/bench.c
index 3046cdc..41fbbcc 100644
--- a/benchmark/bench.c
+++ b/benchmark/bench.c
@@ -53,7 +53,7 @@ setup_cubes(void)
         move_t m;
 
         for (i = 0; i < GEN_CUBES; i++) {
-                gen_cubes[i] = solvedcube;
+                gen_cubes[i] = solvedcube();
                 for (j = 0; j < 30; j++) {
                         m = (move_t)rand() % 18;
                         gen_cubes[i] = move(gen_cubes[i], m);
@@ -68,7 +68,7 @@ run_moves(void)
         cube_t c;
         char str[1000];
 
-        c = solvedcube;
+        c = solvedcube();
         for (i = 0; i < MOVES; i++)
                 c = move(c, gen_moves[i % GEN_MOVES]);
 
@@ -85,7 +85,7 @@ run_trans(void)
         cube_t c;
         char str[1000];
 
-        c = solvedcube;
+        c = solvedcube();
         for (i = 0; i < TRANS; i++)
                 c = transform(c, gen_trans[i % GEN_TRANS]);
 
@@ -102,7 +102,7 @@ run_comp(void)
         cube_t c;
         char str[1000];
 
-        c = solvedcube;
+        c = solvedcube();
         for (i = 0; i < COMP; i++)
                 c = compose(c, gen_cubes[i % GEN_CUBES]);
 
diff --git a/src/_base_arr.c b/src/_base_arr.c
deleted file mode 100644
index 2169cd5..0000000
--- a/src/_base_arr.c
+++ /dev/null
@@ -1,30 +0,0 @@
-cube_t solvedcube = {
-        .c = {0, 1, 2, 3, 4, 5, 6, 7},
-        .e = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11}
-};
-static cube_t errorcube = { .e = {0}, .c = {0} };
-static cube_t zerocube = { .e = {0}, .c = {0} };
-
-static uint8_t
-get_edge(cube_t c, uint8_t i)
-{
-        return c.e[i];
-}
-
-static uint8_t
-get_corner(cube_t c, uint8_t i)
-{
-        return c.c[i];
-}
-
-static void
-set_edge(cube_t *c, uint8_t i, uint8_t p)
-{
-        c->e[i] = p;
-}
-
-static void
-set_corner(cube_t *c, uint8_t i, uint8_t p)
-{
-        c->c[i] = p;
-}
diff --git a/src/_base_avx2.c b/src/_base_avx2.c
deleted file mode 100644
index 7af88eb..0000000
--- a/src/_base_avx2.c
+++ /dev/null
@@ -1,28 +0,0 @@
-#define solvedcube _mm256_set_epi8( \
-        0, 0, 0, 0, 0, 0, 0, 0, 7, 6, 5, 4, 3, 2, 1, 0, /* Corners */ \
-        0, 0, 0, 0, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0 /* Edges */ \
-)
-#define errorcube _mm256_setzero_si256()
-#define zerocube _mm256_setzero_si256()
-
-static uint8_t
-get_edge(cube_t c, uint8_t i)
-{
-        return 0;
-}
-
-static uint8_t
-get_corner(cube_t c, uint8_t i)
-{
-        return 0;
-}
-
-static void
-set_edge(cube_t *c, uint8_t i, uint8_t p)
-{
-}
-
-static void
-set_corner(cube_t *c, uint8_t i, uint8_t p)
-{
-}
diff --git a/src/_constants.c b/src/_constants.c
index 3121e3b..0070990 100644
--- a/src/_constants.c
+++ b/src/_constants.c
@@ -32,7 +32,7 @@
 #define _eflip      0x10U
 #define _error      0xFFU
 
-move_t inverse_move[] = {
+static move_t inverse_move_arr[] = {
         [U]  = U3,
         [U2] = U2,
         [U3] = U,
@@ -53,7 +53,7 @@ move_t inverse_move[] = {
         [B3] = B,
 };
 
-trans_t inverse_trans[] = {
+static trans_t inverse_trans_arr[] = {
         [UFr] = UFr,
         [ULr] = URr,
         [UBr] = UBr,
diff --git a/src/_move_logic_avx2.c b/src/_move_logic_avx2.c
index 7bf881c..29df776 100644
--- a/src/_move_logic_avx2.c
+++ b/src/_move_logic_avx2.c
@@ -1,3 +1,6 @@
-static cube_t move_cube[18]; /* TODO */
-
+/* TODO:
+static cube_t move_cube[18];
 return compose(move_cube[m], c);
+*/
+
+goto move_error;
diff --git a/src/cube.c b/src/cube.c
index 4651b00..fc04ee7 100644
--- a/src/cube.c
+++ b/src/cube.c
@@ -14,10 +14,38 @@
 
 #include "_constants.c"
 
+cube_arr_t solvedcube_arr = {
+        .c = {0, 1, 2, 3, 4, 5, 6, 7, 0, 0, 0, 0, 0, 0, 0, 0},
+        .e = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 0, 0, 0, 0}
+};
+cube_arr_t zerocube_arr = { .e = {0}, .c = {0} };
+
 #ifdef CUBE_AVX2
-#include "_base_avx2.c"
+
+#define setsolved(cube) cube = _mm256_loadu_si256((__m256i_u *)&solvedcube_arr)
+#define setzero(cube)   cube = _mm256_setzero_si256()
+#define _c _mm256_set_epi64x(0, 0, 0, 0xFF)
+#define _e _mm256_set_epi64x(0, 0xFF, 0, 0)
+/* TODO: in the next 4 macros, all 0 should be i, but must be constant! */
+#define get_edge(cube, i)    _mm256_extract_epi8(cube, 0+16)
+#define get_corner(cube, i)  _mm256_extract_epi8(cube, 0)
+#define set_edge(cube, i, p) _mm256_or_si256( \
+    _mm256_andnot_si256(cube, _mm256_slli_si256(_e, 0)), \
+    _mm256_and_si256(_mm256_set1_epi8(p), _mm256_slli_si256(_e, 0)))
+#define set_corner(cube, i, p) _mm256_or_si256( \
+    _mm256_andnot_si256(cube, _mm256_slli_si256(_c, 0)), \
+    _mm256_and_si256(_mm256_set1_epi8(p), _mm256_slli_si256(_c, 0)))
+
 #else
-#include "_base_arr.c"
+
+#define setsolved(cube) cube = solvedcube_arr
+#define setzero(cube)   cube = zerocube_arr
+#define _c _mm256_set_epi64x(0, 0, 0, 0xFF)
+#define get_edge(cube, i)      (cube).e[(i)]
+#define get_corner(cube, i)    (cube).c[(i)]
+#define set_edge(cube, i, p)   (cube).e[(i)] = (p)
+#define set_corner(cube, i, p) (cube).c[(i)] = (p)
+
 #endif
 
 static bool isconsistent(cube_t);
@@ -34,6 +62,22 @@ static int writepiece_SRC(uint8_t, char *);
 static void writecube_SRC(cube_t, char *);
 static int permsign(uint8_t *, int);
 
+cube_t
+solvedcube(void)
+{
+        cube_t solved;
+        setsolved(solved);
+        return solved;
+}
+
+cube_t
+zerocube(void)
+{
+        cube_t solved;
+        setzero(solved);
+        return solved;
+}
+
 static uint8_t
 readco(char *str)
 {
@@ -100,30 +144,34 @@ readcube_H48(char *buf)
 {
         int i;
         uint8_t piece, orient;
-        cube_t ret = zerocube;
-        char *b = buf;
+        cube_t ret, err;
+        char *b;
+        
+        setzero(ret);
+        setzero(err);
+        b = buf;
 
         for (i = 0; i < 12; i++) {
                 while (*b == ' ' || *b == '\t' || *b == '\n')
                         b++;
                 if ((piece = readep(b)) == _error)
-                        return errorcube;
+                        return err;
                 b += 2;
                 if ((orient = readeo(b)) == _error)
-                        return errorcube;
+                        return err;
                 b++;
-                set_edge(&ret, i, piece | orient);
+                set_edge(ret, i, piece | orient);
         }
         for (i = 0; i < 8; i++) {
                 while (*b == ' ' || *b == '\t' || *b == '\n')
                         b++;
                 if ((piece = readcp(b)) == _error)
-                        return errorcube;
+                        return err;
                 b += 3;
                 if ((orient = readco(b)) == _error)
-                        return errorcube;
+                        return err;
                 b++;
-                set_corner(&ret, i, piece | orient);
+                set_corner(ret, i, piece | orient);
         }
 
         return ret;
@@ -142,7 +190,7 @@ readcube(format_t format, char *buf)
         #ifdef DEBUG
                 fprintf(stderr, "Cannot read cube in the given format\n");
         #endif
-                ret = errorcube;
+                setzero(ret);
         }
 
 #ifdef DEBUG
@@ -373,6 +421,18 @@ writetrans(trans_t t, char *buf)
         buf[11] = '\0';
 }
 
+move_t
+inverse_move(move_t m)
+{
+        return inverse_move_arr[m];
+}
+
+trans_t
+inverse_trans(trans_t t)
+{
+        return inverse_trans_arr[t];
+}
+
 static int
 permsign(uint8_t *a, int n)
 {
@@ -532,18 +592,24 @@ equal(cube_t cube1, cube_t cube2)
 bool
 issolved(cube_t cube)
 {
-        return equal(cube, solvedcube);
+        cube_t solved;
+        setsolved(solved);
+        return equal(cube, solved);
 }
 
 bool
 iserror(cube_t cube)
 {
-        return equal(cube, errorcube);
+        cube_t err;
+        setzero(err);
+        return equal(cube, err);
 }
 
 cube_t
 move(cube_t c, move_t m)
 {
+        cube_t err;
+
 #ifdef DEBUG
         if (!isconsistent(c)) {
                 fprintf(stderr, "move error, inconsistent cube\n");
@@ -558,7 +624,8 @@ move(cube_t c, move_t m)
 #endif
 
 move_error:
-        return errorcube;
+        setzero(err);
+        return err;
 }
 
 cube_t
@@ -566,25 +633,27 @@ inverse(cube_t c)
 {
         /* TODO: optimize for avx2 */
         uint8_t i, piece, orien;
-        cube_t ret = zerocube;
+        cube_t ret;
+
+        setzero(ret);
 
 #ifdef DEBUG
         if (!isconsistent(c)) {
                 fprintf(stderr, "inverse error, inconsistent cube\n");
-                return errorcube;
+                return ret;
         }
 #endif
 
         for (i = 0; i < 12; i++) {
                 piece = get_edge(c, i);
                 orien = piece & _eobit;
-                set_edge(&ret, piece & _pbits, i | orien);
+                set_edge(ret, piece & _pbits, i | orien);
         }
 
         for (i = 0; i < 8; i++) {
                 piece = get_corner(c, i);
                 orien = ((piece << 1) | (piece >> 1)) & _cobits2;
-                set_corner(&ret, piece & _pbits, i | orien);
+                set_corner(ret, piece & _pbits, i | orien);
         }
 
         return ret;
@@ -595,12 +664,14 @@ compose(cube_t c1, cube_t c2)
 {
         /* TODO: optimize for avx2 */
         uint8_t i, piece1, piece2, p, orien, aux, auy;
-        cube_t ret = zerocube;
+        cube_t ret;
+
+        setzero(ret);
 
 #ifdef DEBUG
         if (!isconsistent(c1) || !isconsistent(c2)) {
                 fprintf(stderr, "compose error, inconsistent cube\n");
-                return errorcube;
+                return ret;
         }
 #endif
 
@@ -609,7 +680,7 @@ compose(cube_t c1, cube_t c2)
                 p = piece2 & _pbits;
                 piece1 = get_edge(c1, p);
                 orien = (piece2 ^ piece1) & _eobit;
-                set_edge(&ret, i, (piece1 & _pbits) | orien);
+                set_edge(ret, i, (piece1 & _pbits) | orien);
         }
 
         for (i = 0; i < 8; i++) {
@@ -619,7 +690,7 @@ compose(cube_t c1, cube_t c2)
                 aux = (piece2 & _cobits) + (piece1 & _cobits);
                 auy = (aux + _ctwist_cw) >> 2U;
                 orien = (aux + auy) & _cobits2;
-                set_corner(&ret, i, (piece1 & _pbits) | orien);
+                set_corner(ret, i, (piece1 & _pbits) | orien);
         }
 
         return ret;
@@ -637,7 +708,7 @@ flipallcorners(cube_t c)
         for (i = 0; i < 8; i++) {
                 piece = get_corner(c, i);
                 orien = ((piece << 1) | (piece >> 1)) & _cobits2;
-                set_corner(&ret, i, (piece & _pbits) | orien);
+                set_corner(ret, i, (piece & _pbits) | orien);
         }
 
         return ret;
@@ -646,16 +717,17 @@ flipallcorners(cube_t c)
 cube_t
 transform(cube_t c, trans_t t)
 {
-        cube_t ret;
+        cube_t ret, solved;
 
 #ifdef DEBUG
+        setzero(ret);
         if (!isconsistent(c)) {
                 fprintf(stderr, "transform error, inconsistent cube\n");
-                return errorcube;
+                return ret;
         }
         if (t >= 48) {
                 fprintf(stderr, "transform error, unknown transformation\n");
-                return errorcube;
+                return ret;
         }
 #endif
 
@@ -665,7 +737,9 @@ transform(cube_t c, trans_t t)
 #include "_trans_move_arr.c"
 #endif
 
-        ret = compose(solvedcube, trans_move_cube[t]);
+        setsolved(solved);
+
+        ret = compose(solved, trans_move_cube[t]);
         ret = compose(ret, c);
         ret = compose(ret, trans_move_cube_inverse[t]);
 
diff --git a/src/cube.h b/src/cube.h
index 4c6de2f..43d9172 100644
--- a/src/cube.h
+++ b/src/cube.h
@@ -1,43 +1,45 @@
 /* Types *********************************************************************/
 
 /* See doc/CUBE_INTERNAL.md for a description of the cube format */
+typedef struct {
+        uint8_t c[16];
+        uint8_t e[16];
+} cube_arr_t;
 #ifdef CUBE_AVX2
 typedef __m256i cube_t;
 #else
-typedef struct { uint8_t c[8]; uint8_t e[12]; } cube_t;
+typedef cube_arr_t cube_t;
 #endif
 
 typedef uint8_t move_t;
 typedef uint8_t trans_t;
 
-extern move_t inverse_move[];
-extern trans_t inverse_trans[];
-extern cube_t solvedcube;
-
 /* Functions *****************************************************************/
 
+int readmoves(char *, move_t *);
+void writemoves(move_t *, int, char *);
+trans_t readtrans(char *);
+void writetrans(trans_t, char *);
+
+move_t inverse_move(move_t);
+trans_t inverse_trans(trans_t);
+
 /* Not all formats are supported for both read and write. */
 /* See doc/CUBE_TEXT.md for details. */
 typedef enum {H48, SRC} format_t;
 cube_t readcube(format_t, char *);
 void writecube(format_t, cube_t, char *);
 
+cube_t solvedcube(void);
+cube_t zerocube(void);
 bool issolvable(cube_t);
 bool equal(cube_t, cube_t);
 bool issolved(cube_t);
 bool iserror(cube_t);
 
-int readmoves(char *, move_t *);
-void writemoves(move_t *, int, char *);
-
-trans_t readtrans(char *);
-void writetrans(trans_t, char *);
-
 cube_t move(cube_t, move_t);
 cube_t inverse(cube_t);
 cube_t compose(cube_t, cube_t);
-
-/* See doc/TRANSFORMATIONS.md for how transformations are applied */
 cube_t transform(cube_t, trans_t);
 
 /* Constants for moves and transformations ***********************************/
diff --git a/test/00_basic/basic_tests.c b/test/00_basic/basic_tests.c
index a3ae0b9..ddfecb4 100644
--- a/test/00_basic/basic_tests.c
+++ b/test/00_basic/basic_tests.c
@@ -19,14 +19,16 @@ check2(cube_t cube1, char *name1, cube_t cube2, char *name2)
 }
 
 int main() {
-        cube_t zero = (cube_t){0};
+        cube_t zero, solved;
 
-        check(solvedcube, "Solved");
+        zero = zerocube();
+        solved = solvedcube();
+        check(solved, "Solved");
         check(zero, "Zero");
 
-        check2(solvedcube, "Solved", solvedcube, "Solved");
-        check2(solvedcube, "Solved", zero, "Zero");
-        check2(zero, "Zero", solvedcube, "Solved");
+        check2(solved, "Solved", solved, "Solved");
+        check2(solved, "Solved", zero, "Zero");
+        check2(zero, "Zero", solved, "Solved");
 
         return 0;
 }
diff --git a/test/02_move/000_nomove_solved.in b/test/020_move/000_nomove_solved.in
index 07cf178..07cf178 100644
--- a/test/02_move/000_nomove_solved.in
+++ b/test/020_move/000_nomove_solved.in
diff --git a/test/02_move/000_nomove_solved.out b/test/020_move/000_nomove_solved.out
index dff224d..dff224d 100644
--- a/test/02_move/000_nomove_solved.out
+++ b/test/020_move/000_nomove_solved.out
diff --git a/test/02_move/001_nomove_scrambled.in b/test/020_move/001_nomove_scrambled.in
index fd1d23c..fd1d23c 100644
--- a/test/02_move/001_nomove_scrambled.in
+++ b/test/020_move/001_nomove_scrambled.in
diff --git a/test/02_move/001_nomove_scrambled.out b/test/020_move/001_nomove_scrambled.out
index bd2cca0..bd2cca0 100644
--- a/test/02_move/001_nomove_scrambled.out
+++ b/test/020_move/001_nomove_scrambled.out
diff --git a/test/02_move/010_U_solved.in b/test/020_move/010_U_solved.in
index 62495cb..62495cb 100644
--- a/test/02_move/010_U_solved.in
+++ b/test/020_move/010_U_solved.in
diff --git a/test/02_move/010_U_solved.out b/test/020_move/010_U_solved.out
index b5b36ad..b5b36ad 100644
--- a/test/02_move/010_U_solved.out
+++ b/test/020_move/010_U_solved.out
diff --git a/test/02_move/011_U_scrambled.in b/test/020_move/011_U_scrambled.in
index 012faaf..012faaf 100644
--- a/test/02_move/011_U_scrambled.in
+++ b/test/020_move/011_U_scrambled.in
diff --git a/test/02_move/011_U_scrambled.out b/test/020_move/011_U_scrambled.out
index 46d2ef7..46d2ef7 100644
--- a/test/02_move/011_U_scrambled.out
+++ b/test/020_move/011_U_scrambled.out
diff --git a/test/02_move/012_U_inverse.in b/test/020_move/012_U_inverse.in
index 2aa7ffa..2aa7ffa 100644
--- a/test/02_move/012_U_inverse.in
+++ b/test/020_move/012_U_inverse.in
diff --git a/test/02_move/012_U_inverse.out b/test/020_move/012_U_inverse.out
index dff224d..dff224d 100644
--- a/test/02_move/012_U_inverse.out
+++ b/test/020_move/012_U_inverse.out
diff --git a/test/02_move/020_U2_solved.in b/test/020_move/020_U2_solved.in
index ccc84ef..ccc84ef 100644
--- a/test/02_move/020_U2_solved.in
+++ b/test/020_move/020_U2_solved.in
diff --git a/test/02_move/020_U2_solved.out b/test/020_move/020_U2_solved.out
index 316ad57..316ad57 100644
--- a/test/02_move/020_U2_solved.out
+++ b/test/020_move/020_U2_solved.out
diff --git a/test/02_move/021_U2_scrambled.in b/test/020_move/021_U2_scrambled.in
index bdc034e..bdc034e 100644
--- a/test/02_move/021_U2_scrambled.in
+++ b/test/020_move/021_U2_scrambled.in
diff --git a/test/02_move/021_U2_scrambled.out b/test/020_move/021_U2_scrambled.out
index c89ca1f..c89ca1f 100644
--- a/test/02_move/021_U2_scrambled.out
+++ b/test/020_move/021_U2_scrambled.out
diff --git a/test/02_move/022_U2_inverse.in b/test/020_move/022_U2_inverse.in
index 8ace160..8ace160 100644
--- a/test/02_move/022_U2_inverse.in
+++ b/test/020_move/022_U2_inverse.in
diff --git a/test/02_move/022_U2_inverse.out b/test/020_move/022_U2_inverse.out
index dff224d..dff224d 100644
--- a/test/02_move/022_U2_inverse.out
+++ b/test/020_move/022_U2_inverse.out
diff --git a/test/02_move/030_U3_solved.in b/test/020_move/030_U3_solved.in
index 49a8847..49a8847 100644
--- a/test/02_move/030_U3_solved.in
+++ b/test/020_move/030_U3_solved.in
diff --git a/test/02_move/030_U3_solved.out b/test/020_move/030_U3_solved.out
index 7721ab5..7721ab5 100644
--- a/test/02_move/030_U3_solved.out
+++ b/test/020_move/030_U3_solved.out
diff --git a/test/02_move/031_U3_inverse.in b/test/020_move/031_U3_inverse.in
index 44b6ce3..44b6ce3 100644
--- a/test/02_move/031_U3_inverse.in
+++ b/test/020_move/031_U3_inverse.in
diff --git a/test/02_move/031_U3_inverse.out b/test/020_move/031_U3_inverse.out
index dff224d..dff224d 100644
--- a/test/02_move/031_U3_inverse.out
+++ b/test/020_move/031_U3_inverse.out
diff --git a/test/02_move/032_U3_scrambled.in b/test/020_move/032_U3_scrambled.in
index a00608c..a00608c 100644
--- a/test/02_move/032_U3_scrambled.in
+++ b/test/020_move/032_U3_scrambled.in
diff --git a/test/02_move/032_U3_scrambled.out b/test/020_move/032_U3_scrambled.out
index 7d1e8cd..7d1e8cd 100644
--- a/test/02_move/032_U3_scrambled.out
+++ b/test/020_move/032_U3_scrambled.out
diff --git a/test/02_move/033_U3_with_prime.in b/test/020_move/033_U3_with_prime.in
index 95e5405..95e5405 100644
--- a/test/02_move/033_U3_with_prime.in
+++ b/test/020_move/033_U3_with_prime.in
diff --git a/test/02_move/033_U3_with_prime.out b/test/020_move/033_U3_with_prime.out
index 7721ab5..7721ab5 100644
--- a/test/02_move/033_U3_with_prime.out
+++ b/test/020_move/033_U3_with_prime.out
diff --git a/test/02_move/040_D_solved.in b/test/020_move/040_D_solved.in
index cb5edb7..cb5edb7 100644
--- a/test/02_move/040_D_solved.in
+++ b/test/020_move/040_D_solved.in
diff --git a/test/02_move/040_D_solved.out b/test/020_move/040_D_solved.out
index cf4f816..cf4f816 100644
--- a/test/02_move/040_D_solved.out
+++ b/test/020_move/040_D_solved.out
diff --git a/test/02_move/050_D2_solved.in b/test/020_move/050_D2_solved.in
index 56f47cd..56f47cd 100644
--- a/test/02_move/050_D2_solved.in
+++ b/test/020_move/050_D2_solved.in
diff --git a/test/02_move/050_D2_solved.out b/test/020_move/050_D2_solved.out
index 13b229e..13b229e 100644
--- a/test/02_move/050_D2_solved.out
+++ b/test/020_move/050_D2_solved.out
diff --git a/test/02_move/060_D3_solved.in b/test/020_move/060_D3_solved.in
index 64d1dd8..64d1dd8 100644
--- a/test/02_move/060_D3_solved.in
+++ b/test/020_move/060_D3_solved.in
diff --git a/test/02_move/060_D3_solved.out b/test/020_move/060_D3_solved.out
index 2864f5b..2864f5b 100644
--- a/test/02_move/060_D3_solved.out
+++ b/test/020_move/060_D3_solved.out
diff --git a/test/02_move/070_R_solved.in b/test/020_move/070_R_solved.in
index 108538a..108538a 100644
--- a/test/02_move/070_R_solved.in
+++ b/test/020_move/070_R_solved.in
diff --git a/test/02_move/070_R_solved.out b/test/020_move/070_R_solved.out
index 8c8fcb3..8c8fcb3 100644
--- a/test/02_move/070_R_solved.out
+++ b/test/020_move/070_R_solved.out
diff --git a/test/02_move/071_R_scrambled.in b/test/020_move/071_R_scrambled.in
index 0c9dcaf..0c9dcaf 100644
--- a/test/02_move/071_R_scrambled.in
+++ b/test/020_move/071_R_scrambled.in
diff --git a/test/02_move/071_R_scrambled.out b/test/020_move/071_R_scrambled.out
index 650bcc8..650bcc8 100644
--- a/test/02_move/071_R_scrambled.out
+++ b/test/020_move/071_R_scrambled.out
diff --git a/test/02_move/080_R2_solved.in b/test/020_move/080_R2_solved.in
index 554a084..554a084 100644
--- a/test/02_move/080_R2_solved.in
+++ b/test/020_move/080_R2_solved.in
diff --git a/test/02_move/080_R2_solved.out b/test/020_move/080_R2_solved.out
index 90765e2..90765e2 100644
--- a/test/02_move/080_R2_solved.out
+++ b/test/020_move/080_R2_solved.out
diff --git a/test/02_move/090_R3_solved.in b/test/020_move/090_R3_solved.in
index ca6cfd8..ca6cfd8 100644
--- a/test/02_move/090_R3_solved.in
+++ b/test/020_move/090_R3_solved.in
diff --git a/test/02_move/090_R3_solved.out b/test/020_move/090_R3_solved.out
index d4abffc..d4abffc 100644
--- a/test/02_move/090_R3_solved.out
+++ b/test/020_move/090_R3_solved.out
diff --git a/test/02_move/100_L_solved.in b/test/020_move/100_L_solved.in
index 14ebb5f..14ebb5f 100644
--- a/test/02_move/100_L_solved.in
+++ b/test/020_move/100_L_solved.in
diff --git a/test/02_move/100_L_solved.out b/test/020_move/100_L_solved.out
index 0b0565c..0b0565c 100644
--- a/test/02_move/100_L_solved.out
+++ b/test/020_move/100_L_solved.out
diff --git a/test/02_move/110_L2_solved.in b/test/020_move/110_L2_solved.in
index 8224bcd..8224bcd 100644
--- a/test/02_move/110_L2_solved.in
+++ b/test/020_move/110_L2_solved.in
diff --git a/test/02_move/110_L2_solved.out b/test/020_move/110_L2_solved.out
index 2498c87..2498c87 100644
--- a/test/02_move/110_L2_solved.out
+++ b/test/020_move/110_L2_solved.out
diff --git a/test/02_move/120_L3_solved.in b/test/020_move/120_L3_solved.in
index 552d319..552d319 100644
--- a/test/02_move/120_L3_solved.in
+++ b/test/020_move/120_L3_solved.in
diff --git a/test/02_move/120_L3_solved.out b/test/020_move/120_L3_solved.out
index 2ac2912..2ac2912 100644
--- a/test/02_move/120_L3_solved.out
+++ b/test/020_move/120_L3_solved.out
diff --git a/test/02_move/130_F_solved.in b/test/020_move/130_F_solved.in
index abdbd35..abdbd35 100644
--- a/test/02_move/130_F_solved.in
+++ b/test/020_move/130_F_solved.in
diff --git a/test/02_move/130_F_solved.out b/test/020_move/130_F_solved.out
index e805af8..e805af8 100644
--- a/test/02_move/130_F_solved.out
+++ b/test/020_move/130_F_solved.out
diff --git a/test/02_move/132_F_scrambled.in b/test/020_move/132_F_scrambled.in
index 8b15575..8b15575 100644
--- a/test/02_move/132_F_scrambled.in
+++ b/test/020_move/132_F_scrambled.in
diff --git a/test/02_move/132_F_scrambled.out b/test/020_move/132_F_scrambled.out
index 3aea663..3aea663 100644
--- a/test/02_move/132_F_scrambled.out
+++ b/test/020_move/132_F_scrambled.out
diff --git a/test/02_move/133_F_scrambled_2.in b/test/020_move/133_F_scrambled_2.in
index fdd5139..fdd5139 100644
--- a/test/02_move/133_F_scrambled_2.in
+++ b/test/020_move/133_F_scrambled_2.in
diff --git a/test/02_move/133_F_scrambled_2.out b/test/020_move/133_F_scrambled_2.out
index 3546894..3546894 100644
--- a/test/02_move/133_F_scrambled_2.out
+++ b/test/020_move/133_F_scrambled_2.out
diff --git a/test/02_move/140_F2_solved.in b/test/020_move/140_F2_solved.in
index 83aab30..83aab30 100644
--- a/test/02_move/140_F2_solved.in
+++ b/test/020_move/140_F2_solved.in
diff --git a/test/02_move/140_F2_solved.out b/test/020_move/140_F2_solved.out
index 8aa701f..8aa701f 100644
--- a/test/02_move/140_F2_solved.out
+++ b/test/020_move/140_F2_solved.out
diff --git a/test/02_move/150_F3_solved.in b/test/020_move/150_F3_solved.in
index 2c766c1..2c766c1 100644
--- a/test/02_move/150_F3_solved.in
+++ b/test/020_move/150_F3_solved.in
diff --git a/test/02_move/150_F3_solved.out b/test/020_move/150_F3_solved.out
index 40f1260..40f1260 100644
--- a/test/02_move/150_F3_solved.out
+++ b/test/020_move/150_F3_solved.out
diff --git a/test/02_move/160_B_solved.in b/test/020_move/160_B_solved.in
index 6062e45..6062e45 100644
--- a/test/02_move/160_B_solved.in
+++ b/test/020_move/160_B_solved.in
diff --git a/test/02_move/160_B_solved.out b/test/020_move/160_B_solved.out
index f7fb13c..f7fb13c 100644
--- a/test/02_move/160_B_solved.out
+++ b/test/020_move/160_B_solved.out
diff --git a/test/02_move/170_B2_solved.in b/test/020_move/170_B2_solved.in
index 0ff1190..0ff1190 100644
--- a/test/02_move/170_B2_solved.in
+++ b/test/020_move/170_B2_solved.in
diff --git a/test/02_move/170_B2_solved.out b/test/020_move/170_B2_solved.out
index 9b33e35..9b33e35 100644
--- a/test/02_move/170_B2_solved.out
+++ b/test/020_move/170_B2_solved.out
diff --git a/test/02_move/180_B3_solved.in b/test/020_move/180_B3_solved.in
index c59636f..c59636f 100644
--- a/test/02_move/180_B3_solved.in
+++ b/test/020_move/180_B3_solved.in
diff --git a/test/02_move/180_B3_solved.out b/test/020_move/180_B3_solved.out
index 1367517..1367517 100644
--- a/test/02_move/180_B3_solved.out
+++ b/test/020_move/180_B3_solved.out
diff --git a/test/02_move/200_scramble_solved.in b/test/020_move/200_scramble_solved.in
index 939d876..939d876 100644
--- a/test/02_move/200_scramble_solved.in
+++ b/test/020_move/200_scramble_solved.in
diff --git a/test/02_move/200_scramble_solved.out b/test/020_move/200_scramble_solved.out
index 690ff6b..690ff6b 100644
--- a/test/02_move/200_scramble_solved.out
+++ b/test/020_move/200_scramble_solved.out
diff --git a/test/02_move/201_solution_scrambled.in b/test/020_move/201_solution_scrambled.in
index a838b4c..a838b4c 100644
--- a/test/02_move/201_solution_scrambled.in
+++ b/test/020_move/201_solution_scrambled.in
diff --git a/test/02_move/201_solution_scrambled.out b/test/020_move/201_solution_scrambled.out
index dff224d..dff224d 100644
--- a/test/02_move/201_solution_scrambled.out
+++ b/test/020_move/201_solution_scrambled.out
diff --git a/test/02_move/move_tests.c b/test/020_move/move_tests.c
index 054466b..054466b 100644
--- a/test/02_move/move_tests.c
+++ b/test/020_move/move_tests.c
diff --git a/test/03_inverse/00_solved.in b/test/030_inverse_cube/00_solved.in
index dff224d..dff224d 100644
--- a/test/03_inverse/00_solved.in
+++ b/test/030_inverse_cube/00_solved.in
diff --git a/test/03_inverse/00_solved.out b/test/030_inverse_cube/00_solved.out
index dff224d..dff224d 100644
--- a/test/03_inverse/00_solved.out
+++ b/test/030_inverse_cube/00_solved.out
diff --git a/test/03_inverse/01_scrambled.in b/test/030_inverse_cube/01_scrambled.in
index 263213b..263213b 100644
--- a/test/03_inverse/01_scrambled.in
+++ b/test/030_inverse_cube/01_scrambled.in
diff --git a/test/03_inverse/01_scrambled.out b/test/030_inverse_cube/01_scrambled.out
index 25089c6..25089c6 100644
--- a/test/03_inverse/01_scrambled.out
+++ b/test/030_inverse_cube/01_scrambled.out
diff --git a/test/03_inverse/inverse_tests.c b/test/030_inverse_cube/inverse_tests.c
index 0a56568..0a56568 100644
--- a/test/03_inverse/inverse_tests.c
+++ b/test/030_inverse_cube/inverse_tests.c
diff --git a/test/04_compose/00_solved_solved.in b/test/040_compose/00_solved_solved.in
index 4ccdb6e..4ccdb6e 100644
--- a/test/04_compose/00_solved_solved.in
+++ b/test/040_compose/00_solved_solved.in
diff --git a/test/04_compose/00_solved_solved.out b/test/040_compose/00_solved_solved.out
index dff224d..dff224d 100644
--- a/test/04_compose/00_solved_solved.out
+++ b/test/040_compose/00_solved_solved.out
diff --git a/test/04_compose/01_solved_U.in b/test/040_compose/01_solved_U.in
index e0559dd..e0559dd 100644
--- a/test/04_compose/01_solved_U.in
+++ b/test/040_compose/01_solved_U.in
diff --git a/test/04_compose/01_solved_U.out b/test/040_compose/01_solved_U.out
index b5b36ad..b5b36ad 100644
--- a/test/04_compose/01_solved_U.out
+++ b/test/040_compose/01_solved_U.out
diff --git a/test/04_compose/02_solved_scrambled.in b/test/040_compose/02_solved_scrambled.in
index ad36258..ad36258 100644
--- a/test/04_compose/02_solved_scrambled.in
+++ b/test/040_compose/02_solved_scrambled.in
diff --git a/test/04_compose/02_solved_scrambled.out b/test/040_compose/02_solved_scrambled.out
index 263213b..263213b 100644
--- a/test/04_compose/02_solved_scrambled.out
+++ b/test/040_compose/02_solved_scrambled.out
diff --git a/test/04_compose/11_U_solved.in b/test/040_compose/11_U_solved.in
index 5993795..5993795 100644
--- a/test/04_compose/11_U_solved.in
+++ b/test/040_compose/11_U_solved.in
diff --git a/test/04_compose/11_U_solved.out b/test/040_compose/11_U_solved.out
index b5b36ad..b5b36ad 100644
--- a/test/04_compose/11_U_solved.out
+++ b/test/040_compose/11_U_solved.out
diff --git a/test/04_compose/12_scrambled_solved.in b/test/040_compose/12_scrambled_solved.in
index 3efd52c..3efd52c 100644
--- a/test/04_compose/12_scrambled_solved.in
+++ b/test/040_compose/12_scrambled_solved.in
diff --git a/test/04_compose/12_scrambled_solved.out b/test/040_compose/12_scrambled_solved.out
index 263213b..263213b 100644
--- a/test/04_compose/12_scrambled_solved.out
+++ b/test/040_compose/12_scrambled_solved.out
diff --git a/test/04_compose/20_U_U.in b/test/040_compose/20_U_U.in
index 2778e82..2778e82 100644
--- a/test/04_compose/20_U_U.in
+++ b/test/040_compose/20_U_U.in
diff --git a/test/04_compose/20_U_U.out b/test/040_compose/20_U_U.out
index 316ad57..316ad57 100644
--- a/test/04_compose/20_U_U.out
+++ b/test/040_compose/20_U_U.out
diff --git a/test/04_compose/21_U_Uinverse.in b/test/040_compose/21_U_Uinverse.in
index 495220e..495220e 100644
--- a/test/04_compose/21_U_Uinverse.in
+++ b/test/040_compose/21_U_Uinverse.in
diff --git a/test/04_compose/21_U_Uinverse.out b/test/040_compose/21_U_Uinverse.out
index dff224d..dff224d 100644
--- a/test/04_compose/21_U_Uinverse.out
+++ b/test/040_compose/21_U_Uinverse.out
diff --git a/test/04_compose/22_F_Finverse.in b/test/040_compose/22_F_Finverse.in
index 4a2f1e6..4a2f1e6 100644
--- a/test/04_compose/22_F_Finverse.in
+++ b/test/040_compose/22_F_Finverse.in
diff --git a/test/04_compose/22_F_Finverse.out b/test/040_compose/22_F_Finverse.out
index dff224d..dff224d 100644
--- a/test/04_compose/22_F_Finverse.out
+++ b/test/040_compose/22_F_Finverse.out
diff --git a/test/04_compose/23_F2_F2.in b/test/040_compose/23_F2_F2.in
index 5fd1081..5fd1081 100644
--- a/test/04_compose/23_F2_F2.in
+++ b/test/040_compose/23_F2_F2.in
diff --git a/test/04_compose/23_F2_F2.out b/test/040_compose/23_F2_F2.out
index dff224d..dff224d 100644
--- a/test/04_compose/23_F2_F2.out
+++ b/test/040_compose/23_F2_F2.out
diff --git a/test/04_compose/24_U_F.in b/test/040_compose/24_U_F.in
index d353f95..d353f95 100644
--- a/test/04_compose/24_U_F.in
+++ b/test/040_compose/24_U_F.in
diff --git a/test/04_compose/24_U_F.out b/test/040_compose/24_U_F.out
index 4fda397..4fda397 100644
--- a/test/04_compose/24_U_F.out
+++ b/test/040_compose/24_U_F.out
diff --git a/test/04_compose/25_F_R.in b/test/040_compose/25_F_R.in
index 2cb5455..2cb5455 100644
--- a/test/04_compose/25_F_R.in
+++ b/test/040_compose/25_F_R.in
diff --git a/test/04_compose/25_F_R.out b/test/040_compose/25_F_R.out
index 2119f37..2119f37 100644
--- a/test/04_compose/25_F_R.out
+++ b/test/040_compose/25_F_R.out
diff --git a/test/04_compose/30_scrambled_inverse.in b/test/040_compose/30_scrambled_inverse.in
index abf72e2..abf72e2 100644
--- a/test/04_compose/30_scrambled_inverse.in
+++ b/test/040_compose/30_scrambled_inverse.in
diff --git a/test/04_compose/30_scrambled_inverse.out b/test/040_compose/30_scrambled_inverse.out
index dff224d..dff224d 100644
--- a/test/04_compose/30_scrambled_inverse.out
+++ b/test/040_compose/30_scrambled_inverse.out
diff --git a/test/04_compose/31_scrambled_scrambled.in b/test/040_compose/31_scrambled_scrambled.in
index 7fe874c..7fe874c 100644
--- a/test/04_compose/31_scrambled_scrambled.in
+++ b/test/040_compose/31_scrambled_scrambled.in
diff --git a/test/04_compose/31_scrambled_scrambled.out b/test/040_compose/31_scrambled_scrambled.out
index 353fb49..353fb49 100644
--- a/test/04_compose/31_scrambled_scrambled.out
+++ b/test/040_compose/31_scrambled_scrambled.out
diff --git a/test/04_compose/compose_tests.c b/test/040_compose/compose_tests.c
index a4a5f00..a4a5f00 100644
--- a/test/04_compose/compose_tests.c
+++ b/test/040_compose/compose_tests.c
diff --git a/test/05_transform/000_solved_UFr.in b/test/050_transform/000_solved_UFr.in
index aa89e85..aa89e85 100644
--- a/test/05_transform/000_solved_UFr.in
+++ b/test/050_transform/000_solved_UFr.in
diff --git a/test/05_transform/000_solved_UFr.out b/test/050_transform/000_solved_UFr.out
index dff224d..dff224d 100644
--- a/test/05_transform/000_solved_UFr.out
+++ b/test/050_transform/000_solved_UFr.out
diff --git a/test/05_transform/001_solved_BLm.in b/test/050_transform/001_solved_BLm.in
index 43aadb8..43aadb8 100644
--- a/test/05_transform/001_solved_BLm.in
+++ b/test/050_transform/001_solved_BLm.in
diff --git a/test/05_transform/001_solved_BLm.out b/test/050_transform/001_solved_BLm.out
index dff224d..dff224d 100644
--- a/test/05_transform/001_solved_BLm.out
+++ b/test/050_transform/001_solved_BLm.out
diff --git a/test/05_transform/100_UFr_U.in b/test/050_transform/100_UFr_U.in
index 80d7af7..80d7af7 100644
--- a/test/05_transform/100_UFr_U.in
+++ b/test/050_transform/100_UFr_U.in
diff --git a/test/05_transform/100_UFr_U.out b/test/050_transform/100_UFr_U.out
index b5b36ad..b5b36ad 100644
--- a/test/05_transform/100_UFr_U.out
+++ b/test/050_transform/100_UFr_U.out
diff --git a/test/05_transform/101_UFm_U.in b/test/050_transform/101_UFm_U.in
index 17d110e..17d110e 100644
--- a/test/05_transform/101_UFm_U.in
+++ b/test/050_transform/101_UFm_U.in
diff --git a/test/05_transform/101_UFm_U.out b/test/050_transform/101_UFm_U.out
index 7721ab5..7721ab5 100644
--- a/test/05_transform/101_UFm_U.out
+++ b/test/050_transform/101_UFm_U.out
diff --git a/test/05_transform/102_UFr_R.in b/test/050_transform/102_UFr_R.in
index 96099d6..96099d6 100644
--- a/test/05_transform/102_UFr_R.in
+++ b/test/050_transform/102_UFr_R.in
diff --git a/test/05_transform/102_UFr_R.out b/test/050_transform/102_UFr_R.out
index 8c8fcb3..8c8fcb3 100644
--- a/test/05_transform/102_UFr_R.out
+++ b/test/050_transform/102_UFr_R.out
diff --git a/test/05_transform/103_UFm_R.in b/test/050_transform/103_UFm_R.in
index c70a8b5..c70a8b5 100644
--- a/test/05_transform/103_UFm_R.in
+++ b/test/050_transform/103_UFm_R.in
diff --git a/test/05_transform/103_UFm_R.out b/test/050_transform/103_UFm_R.out
index 2ac2912..2ac2912 100644
--- a/test/05_transform/103_UFm_R.out
+++ b/test/050_transform/103_UFm_R.out
diff --git a/test/05_transform/104_UFr_F.in b/test/050_transform/104_UFr_F.in
index 0f3585b..0f3585b 100644
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index ae1bb2e..ae1bb2e 100644
--- a/test/05_transform/238_BLr_U.in
+++ b/test/050_transform/238_BLr_U.in
diff --git a/test/05_transform/238_BLr_U.out b/test/050_transform/238_BLr_U.out
index f7fb13c..f7fb13c 100644
--- a/test/05_transform/238_BLr_U.out
+++ b/test/050_transform/238_BLr_U.out
diff --git a/test/05_transform/239_BLm_U.in b/test/050_transform/239_BLm_U.in
index 82eef50..82eef50 100644
--- a/test/05_transform/239_BLm_U.in
+++ b/test/050_transform/239_BLm_U.in
diff --git a/test/05_transform/239_BLm_U.out b/test/050_transform/239_BLm_U.out
index 1367517..1367517 100644
--- a/test/05_transform/239_BLm_U.out
+++ b/test/050_transform/239_BLm_U.out
diff --git a/test/05_transform/240_BLr_R.in b/test/050_transform/240_BLr_R.in
index 5aeee46..5aeee46 100644
--- a/test/05_transform/240_BLr_R.in
+++ b/test/050_transform/240_BLr_R.in
diff --git a/test/05_transform/240_BLr_R.out b/test/050_transform/240_BLr_R.out
index b5b36ad..b5b36ad 100644
--- a/test/05_transform/240_BLr_R.out
+++ b/test/050_transform/240_BLr_R.out
diff --git a/test/05_transform/241_BLm_R.in b/test/050_transform/241_BLm_R.in
index 4aff162..4aff162 100644
--- a/test/05_transform/241_BLm_R.in
+++ b/test/050_transform/241_BLm_R.in
diff --git a/test/05_transform/241_BLm_R.out b/test/050_transform/241_BLm_R.out
index 7721ab5..7721ab5 100644
--- a/test/05_transform/241_BLm_R.out
+++ b/test/050_transform/241_BLm_R.out
diff --git a/test/05_transform/242_BLr_F.in b/test/050_transform/242_BLr_F.in
index a621e5e..a621e5e 100644
--- a/test/05_transform/242_BLr_F.in
+++ b/test/050_transform/242_BLr_F.in
diff --git a/test/05_transform/242_BLr_F.out b/test/050_transform/242_BLr_F.out
index 0b0565c..0b0565c 100644
--- a/test/05_transform/242_BLr_F.out
+++ b/test/050_transform/242_BLr_F.out
diff --git a/test/05_transform/243_BLm_F.in b/test/050_transform/243_BLm_F.in
index 6aa4a5a..6aa4a5a 100644
--- a/test/05_transform/243_BLm_F.in
+++ b/test/050_transform/243_BLm_F.in
diff --git a/test/05_transform/243_BLm_F.out b/test/050_transform/243_BLm_F.out
index d4abffc..d4abffc 100644
--- a/test/05_transform/243_BLm_F.out
+++ b/test/050_transform/243_BLm_F.out
diff --git a/test/05_transform/transform_tests.c b/test/050_transform/transform_tests.c
index 1e49037..1e49037 100644
--- a/test/05_transform/transform_tests.c
+++ b/test/050_transform/transform_tests.c