From 47a65b676d1de889706517f05659f0bb659782c9 Mon Sep 17 00:00:00 2001
From: enricotenuti <tenutz_27@outlook.it>
Date: Thu, 29 Aug 2024 19:07:48 +0200
Subject: nissbranch ver1

---
 src/core/moves.h | 162 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 162 insertions(+)

(limited to 'src/core/moves.h')

diff --git a/src/core/moves.h b/src/core/moves.h
index 7da6405..726a452 100644
--- a/src/core/moves.h
+++ b/src/core/moves.h
@@ -1,8 +1,23 @@
+/* probably these can be placed in constants file */
+#define NONISS 0x00
+#define NISS 0x01
+#define INVERSEBRANCH 0x03
+#define BRANCH 0x02
+#define ALLMOVES 0x3FFFF
+#define NOHALFTURNS 0x2DB6D
+
 _static_inline bool allowednextmove(uint8_t *, uint8_t);
+_static uint32_t allowednextmoveH48(uint8_t *, uint8_t, uint32_t);
+
 _static_inline uint8_t inverse_trans(uint8_t);
 _static_inline uint8_t movebase(uint8_t);
 _static_inline uint8_t moveaxis(uint8_t);
 
+_static cube_t move(cube_t, uint8_t);
+_static cube_t premove(cube_t, uint8_t);
+_static uint8_t inverse_move(uint8_t);
+_static uint8_t* invertpremoves(uint8_t *, uint8_t);
+
 _static bool
 allowednextmove(uint8_t *moves, uint8_t n)
 {
@@ -28,6 +43,40 @@ allowednextmove(uint8_t *moves, uint8_t n)
 	return axis[1] != axis[2] || base[0] != base[2];
 }
 
+static uint32_t 
+disable_moves(uint32_t current_result, uint8_t base_index)
+{
+	return current_result & ~((1 << base_index) | (1 << (base_index + 1)) | (1 << (base_index + 2)));
+}
+
+_static uint32_t
+allowednextmoveH48(uint8_t *moves, uint8_t n, uint32_t h48branch)
+{
+	uint32_t result = ALLMOVES;
+	if (h48branch & BRANCH)
+		result &= NOHALFTURNS;
+	if (n < 1)
+		return result;
+
+	uint8_t base1 = movebase(moves[n-1]);
+	uint8_t axis1 = moveaxis(moves[n-1]);
+
+	result = disable_moves(result, base1 * 3);
+	if (base1 >= 9)
+		result = disable_moves(result, (base1 * 3) - 9);
+
+	if (n == 1)
+		return result;
+	
+	uint8_t base2 = movebase(moves[n-2]);
+	uint8_t axis2 = moveaxis(moves[n-2]);
+
+	if(axis1 == axis2)
+		result = disable_moves(result, base2 * 3);
+
+	return result;
+}
+
 _static_inline uint8_t
 inverse_trans(uint8_t t)
 {
@@ -45,3 +94,116 @@ moveaxis(uint8_t move)
 {
 	return move / 6;
 }
+
+_static cube_t
+move(cube_t c, uint8_t m)
+{
+	switch (m) {
+	case _move_U:
+		return _move(U, c);
+	case _move_U2:
+		return _move(U2, c);
+	case _move_U3:
+		return _move(U3, c);
+	case _move_D:
+		return _move(D, c);
+	case _move_D2:
+		return _move(D2, c);
+	case _move_D3:
+		return _move(D3, c);
+	case _move_R:
+		return _move(R, c);
+	case _move_R2:
+		return _move(R2, c);
+	case _move_R3:
+		return _move(R3, c);
+	case _move_L:
+		return _move(L, c);
+	case _move_L2:
+		return _move(L2, c);
+	case _move_L3:
+		return _move(L3, c);
+	case _move_F:
+		return _move(F, c);
+	case _move_F2:
+		return _move(F2, c);
+	case _move_F3:
+		return _move(F3, c);
+	case _move_B:
+		return _move(B, c);
+	case _move_B2:
+		return _move(B2, c);
+	case _move_B3:
+		return _move(B3, c);
+	default:
+		LOG("move error, unknown move\n");
+		return zero;
+	}
+}
+
+_static cube_t
+premove(cube_t c, uint8_t m)
+{
+		switch (m) {
+	case _move_U:
+		return _premove(U3, c);
+	case _move_U2:
+		return _premove(U2, c);
+	case _move_U3:
+		return _premove(U, c);
+	case _move_D:
+		return _premove(D3, c);
+	case _move_D2:
+		return _premove(D2, c);
+	case _move_D3:
+		return _premove(D, c);
+	case _move_R:
+		return _premove(R3, c);
+	case _move_R2:
+		return _premove(R2, c);
+	case _move_R3:
+		return _premove(R, c);
+	case _move_L:
+		return _premove(L3, c);
+	case _move_L2:
+		return _premove(L2, c);
+	case _move_L3:
+		return _premove(L, c);
+	case _move_F:
+		return _premove(F3, c);
+	case _move_F2:
+		return _premove(F2, c);
+	case _move_F3:
+		return _premove(F, c);
+	case _move_B:
+		return _premove(B3, c);
+	case _move_B2:
+		return _premove(B2, c);
+	case _move_B3:
+		return _premove(B, c);
+	default:
+		LOG("move error, unknown move\n");
+		return zero;
+	}
+}
+
+_static uint8_t
+inverse_move(uint8_t m)
+{
+	return m - 2 * (m % 3) + 2;	
+}
+
+_static uint8_t*
+invertpremoves(uint8_t *moves, uint8_t nmoves)
+{
+	uint8_t i;
+	uint8_t *ret = malloc(nmoves * sizeof(uint8_t));
+
+	for (i = 0; i < nmoves; i++)
+		ret[i] = inverse_move(moves[i]);
+
+	// invert elements in the array
+	for (i = 0; i < nmoves / 2; i++)
+		_swap(ret[i], ret[nmoves - i - 1]);
+	return ret;
+}
-- 
cgit v1.3


From 0a45da13ca06f7884872160a6756a04d1eb849c5 Mon Sep 17 00:00:00 2001
From: enricotenuti <tenutz_27@outlook.it>
Date: Thu, 29 Aug 2024 19:28:13 +0200
Subject: constants fix

---
 src/core/moves.h        | 8 ++++----
 src/solvers/h48/solve.h | 7 +++----
 2 files changed, 7 insertions(+), 8 deletions(-)

(limited to 'src/core/moves.h')

diff --git a/src/core/moves.h b/src/core/moves.h
index 726a452..b28822a 100644
--- a/src/core/moves.h
+++ b/src/core/moves.h
@@ -1,8 +1,8 @@
 /* probably these can be placed in constants file */
-#define NONISS 0x00
-#define NISS 0x01
+#define NORMAL 0x00
+#define INVERSE 0x01
 #define INVERSEBRANCH 0x03
-#define BRANCH 0x02
+#define NORMALBRANCH 0x02
 #define ALLMOVES 0x3FFFF
 #define NOHALFTURNS 0x2DB6D
 
@@ -53,7 +53,7 @@ _static uint32_t
 allowednextmoveH48(uint8_t *moves, uint8_t n, uint32_t h48branch)
 {
 	uint32_t result = ALLMOVES;
-	if (h48branch & BRANCH)
+	if (h48branch & NORMALBRANCH)
 		result &= NOHALFTURNS;
 	if (n < 1)
 		return result;
diff --git a/src/solvers/h48/solve.h b/src/solvers/h48/solve.h
index 751df8f..ed06a85 100644
--- a/src/solvers/h48/solve.h
+++ b/src/solvers/h48/solve.h
@@ -66,7 +66,7 @@ solve_h48_stop(dfsarg_solveh48_t *arg)
 	uint32_t data, data_inv;
 	int8_t bound;
 
-	arg->nissbranch = NONISS;
+	arg->nissbranch = NORMAL;
 	bound = get_h48_cdata(arg->cube, arg->cocsepdata, &data);
 	if (bound + arg->nmoves + arg->npremoves > arg->depth)
 		return true;
@@ -86,7 +86,7 @@ solve_h48_stop(dfsarg_solveh48_t *arg)
 	if (bound + arg->nmoves + arg->npremoves > arg->depth)
 		return true;
 	if (bound + arg->nmoves + arg->npremoves == arg->depth)
-		arg->nissbranch = BRANCH;
+		arg->nissbranch = NORMALBRANCH;
 
 	return false;
 }
@@ -115,7 +115,7 @@ solve_h48_dfs(dfsarg_solveh48_t *arg)
 	nextarg = *arg;
 	ret = 0;
 	uint32_t allowed;
-	if(arg->nissbranch & 0x01) {
+	if(arg->nissbranch & INVERSE) {
 		allowed = allowednextmoveH48(arg->premoves, arg->npremoves, arg->nissbranch);
 		for (m = 0; m < 18; m++) {
 			if(allowed & (1 << m)) {
@@ -139,7 +139,6 @@ solve_h48_dfs(dfsarg_solveh48_t *arg)
 		}
 	}
 
-
 	return ret;
 }
 
-- 
cgit v1.3


From 754e632241859b224497ee4e0239670d5d90759f Mon Sep 17 00:00:00 2001
From: enricotenuti <tenutz_27@outlook.it>
Date: Fri, 30 Aug 2024 12:03:03 +0200
Subject: allowedH48 tests

---
 src/core/moves.h                                  |  4 +--
 test/082_allowednext_h48/00_empty_U.in            |  3 ++
 test/082_allowednext_h48/00_empty_U.out           |  1 +
 test/082_allowednext_h48/01_F.in                  |  4 +++
 test/082_allowednext_h48/01_F.out                 |  1 +
 test/082_allowednext_h48/02_U2.in                 |  3 ++
 test/082_allowednext_h48/02_U2.out                |  1 +
 test/082_allowednext_h48/03_R_L.in                |  5 +++
 test/082_allowednext_h48/03_R_L.out               |  1 +
 test/082_allowednext_h48/04_D.in                  |  3 ++
 test/082_allowednext_h48/04_D.out                 |  1 +
 test/082_allowednext_h48/05_U_F_B2.in             |  5 +++
 test/082_allowednext_h48/05_U_F_B2.out            |  1 +
 test/082_allowednext_h48/06_empty_bound.in        |  2 ++
 test/082_allowednext_h48/06_empty_bound.out       |  1 +
 test/082_allowednext_h48/07_F_bound.in            |  3 ++
 test/082_allowednext_h48/07_F_bound.out           |  1 +
 test/082_allowednext_h48/08_U_D_bound_inverse.in  |  4 +++
 test/082_allowednext_h48/08_U_D_bound_inverse.out |  1 +
 test/082_allowednext_h48/09_R_false_bound.in      |  3 ++
 test/082_allowednext_h48/09_R_false_bound.out     |  1 +
 test/082_allowednext_h48/allowednext_h48_tests.c  | 38 +++++++++++++++++++++++
 22 files changed, 85 insertions(+), 2 deletions(-)
 create mode 100644 test/082_allowednext_h48/00_empty_U.in
 create mode 100644 test/082_allowednext_h48/00_empty_U.out
 create mode 100644 test/082_allowednext_h48/01_F.in
 create mode 100644 test/082_allowednext_h48/01_F.out
 create mode 100644 test/082_allowednext_h48/02_U2.in
 create mode 100644 test/082_allowednext_h48/02_U2.out
 create mode 100644 test/082_allowednext_h48/03_R_L.in
 create mode 100644 test/082_allowednext_h48/03_R_L.out
 create mode 100644 test/082_allowednext_h48/04_D.in
 create mode 100644 test/082_allowednext_h48/04_D.out
 create mode 100644 test/082_allowednext_h48/05_U_F_B2.in
 create mode 100644 test/082_allowednext_h48/05_U_F_B2.out
 create mode 100644 test/082_allowednext_h48/06_empty_bound.in
 create mode 100644 test/082_allowednext_h48/06_empty_bound.out
 create mode 100644 test/082_allowednext_h48/07_F_bound.in
 create mode 100644 test/082_allowednext_h48/07_F_bound.out
 create mode 100644 test/082_allowednext_h48/08_U_D_bound_inverse.in
 create mode 100644 test/082_allowednext_h48/08_U_D_bound_inverse.out
 create mode 100644 test/082_allowednext_h48/09_R_false_bound.in
 create mode 100644 test/082_allowednext_h48/09_R_false_bound.out
 create mode 100644 test/082_allowednext_h48/allowednext_h48_tests.c

(limited to 'src/core/moves.h')

diff --git a/src/core/moves.h b/src/core/moves.h
index b28822a..9753993 100644
--- a/src/core/moves.h
+++ b/src/core/moves.h
@@ -62,8 +62,8 @@ allowednextmoveH48(uint8_t *moves, uint8_t n, uint32_t h48branch)
 	uint8_t axis1 = moveaxis(moves[n-1]);
 
 	result = disable_moves(result, base1 * 3);
-	if (base1 >= 9)
-		result = disable_moves(result, (base1 * 3) - 9);
+	if (base1 % 2)
+		result = disable_moves(result, (base1 - 1) * 3);
 
 	if (n == 1)
 		return result;
diff --git a/test/082_allowednext_h48/00_empty_U.in b/test/082_allowednext_h48/00_empty_U.in
new file mode 100644
index 0000000..28271a6
--- /dev/null
+++ b/test/082_allowednext_h48/00_empty_U.in
@@ -0,0 +1,3 @@
+0
+0
+
diff --git a/test/082_allowednext_h48/00_empty_U.out b/test/082_allowednext_h48/00_empty_U.out
new file mode 100644
index 0000000..8607955
--- /dev/null
+++ b/test/082_allowednext_h48/00_empty_U.out
@@ -0,0 +1 @@
+0x3FFFF
diff --git a/test/082_allowednext_h48/01_F.in b/test/082_allowednext_h48/01_F.in
new file mode 100644
index 0000000..e7ae375
--- /dev/null
+++ b/test/082_allowednext_h48/01_F.in
@@ -0,0 +1,4 @@
+0
+1
+F
+
diff --git a/test/082_allowednext_h48/01_F.out b/test/082_allowednext_h48/01_F.out
new file mode 100644
index 0000000..5d6f843
--- /dev/null
+++ b/test/082_allowednext_h48/01_F.out
@@ -0,0 +1 @@
+0x38FFF
diff --git a/test/082_allowednext_h48/02_U2.in b/test/082_allowednext_h48/02_U2.in
new file mode 100644
index 0000000..2c5ee5f
--- /dev/null
+++ b/test/082_allowednext_h48/02_U2.in
@@ -0,0 +1,3 @@
+0
+1
+U
diff --git a/test/082_allowednext_h48/02_U2.out b/test/082_allowednext_h48/02_U2.out
new file mode 100644
index 0000000..a9a5adb
--- /dev/null
+++ b/test/082_allowednext_h48/02_U2.out
@@ -0,0 +1 @@
+0x3FFF8
diff --git a/test/082_allowednext_h48/03_R_L.in b/test/082_allowednext_h48/03_R_L.in
new file mode 100644
index 0000000..b6c0625
--- /dev/null
+++ b/test/082_allowednext_h48/03_R_L.in
@@ -0,0 +1,5 @@
+0
+2
+R
+L'
+
diff --git a/test/082_allowednext_h48/03_R_L.out b/test/082_allowednext_h48/03_R_L.out
new file mode 100644
index 0000000..a4aa4b2
--- /dev/null
+++ b/test/082_allowednext_h48/03_R_L.out
@@ -0,0 +1 @@
+0x3F03F
diff --git a/test/082_allowednext_h48/04_D.in b/test/082_allowednext_h48/04_D.in
new file mode 100644
index 0000000..83da556
--- /dev/null
+++ b/test/082_allowednext_h48/04_D.in
@@ -0,0 +1,3 @@
+0
+1
+D
diff --git a/test/082_allowednext_h48/04_D.out b/test/082_allowednext_h48/04_D.out
new file mode 100644
index 0000000..fe91843
--- /dev/null
+++ b/test/082_allowednext_h48/04_D.out
@@ -0,0 +1 @@
+0x3FFC0
diff --git a/test/082_allowednext_h48/05_U_F_B2.in b/test/082_allowednext_h48/05_U_F_B2.in
new file mode 100644
index 0000000..67e090f
--- /dev/null
+++ b/test/082_allowednext_h48/05_U_F_B2.in
@@ -0,0 +1,5 @@
+0
+2
+U
+F
+
diff --git a/test/082_allowednext_h48/05_U_F_B2.out b/test/082_allowednext_h48/05_U_F_B2.out
new file mode 100644
index 0000000..5d6f843
--- /dev/null
+++ b/test/082_allowednext_h48/05_U_F_B2.out
@@ -0,0 +1 @@
+0x38FFF
diff --git a/test/082_allowednext_h48/06_empty_bound.in b/test/082_allowednext_h48/06_empty_bound.in
new file mode 100644
index 0000000..389e262
--- /dev/null
+++ b/test/082_allowednext_h48/06_empty_bound.in
@@ -0,0 +1,2 @@
+2
+0
diff --git a/test/082_allowednext_h48/06_empty_bound.out b/test/082_allowednext_h48/06_empty_bound.out
new file mode 100644
index 0000000..eb601fc
--- /dev/null
+++ b/test/082_allowednext_h48/06_empty_bound.out
@@ -0,0 +1 @@
+0x2DB6D
diff --git a/test/082_allowednext_h48/07_F_bound.in b/test/082_allowednext_h48/07_F_bound.in
new file mode 100644
index 0000000..b3ae33d
--- /dev/null
+++ b/test/082_allowednext_h48/07_F_bound.in
@@ -0,0 +1,3 @@
+2
+1
+F
diff --git a/test/082_allowednext_h48/07_F_bound.out b/test/082_allowednext_h48/07_F_bound.out
new file mode 100644
index 0000000..0dc8997
--- /dev/null
+++ b/test/082_allowednext_h48/07_F_bound.out
@@ -0,0 +1 @@
+0x28B6D
diff --git a/test/082_allowednext_h48/08_U_D_bound_inverse.in b/test/082_allowednext_h48/08_U_D_bound_inverse.in
new file mode 100644
index 0000000..707f7e0
--- /dev/null
+++ b/test/082_allowednext_h48/08_U_D_bound_inverse.in
@@ -0,0 +1,4 @@
+3
+2
+U
+D2
\ No newline at end of file
diff --git a/test/082_allowednext_h48/08_U_D_bound_inverse.out b/test/082_allowednext_h48/08_U_D_bound_inverse.out
new file mode 100644
index 0000000..6f47cf0
--- /dev/null
+++ b/test/082_allowednext_h48/08_U_D_bound_inverse.out
@@ -0,0 +1 @@
+0x2DB40
diff --git a/test/082_allowednext_h48/09_R_false_bound.in b/test/082_allowednext_h48/09_R_false_bound.in
new file mode 100644
index 0000000..0b1d441
--- /dev/null
+++ b/test/082_allowednext_h48/09_R_false_bound.in
@@ -0,0 +1,3 @@
+1
+1
+R
\ No newline at end of file
diff --git a/test/082_allowednext_h48/09_R_false_bound.out b/test/082_allowednext_h48/09_R_false_bound.out
new file mode 100644
index 0000000..121bfeb
--- /dev/null
+++ b/test/082_allowednext_h48/09_R_false_bound.out
@@ -0,0 +1 @@
+0x3FE3F
diff --git a/test/082_allowednext_h48/allowednext_h48_tests.c b/test/082_allowednext_h48/allowednext_h48_tests.c
new file mode 100644
index 0000000..4cee695
--- /dev/null
+++ b/test/082_allowednext_h48/allowednext_h48_tests.c
@@ -0,0 +1,38 @@
+#include "../test.h"
+
+uint32_t allowednextmoveH48(uint8_t *, uint8_t, uint32_t);
+
+static char *moves[] = {
+	"U", "U2", "U'",
+	"D", "D2", "D'",
+	"R", "R2", "R'",
+	"L", "L2", "L'",
+	"F", "F2", "F'",
+	"B", "B2", "B'",
+};
+
+void run(void) {
+	char movestr[STRLENMAX];
+	uint8_t m[100];
+	int n, i, j, bound;
+
+	fgets(movestr, STRLENMAX, stdin);
+	bound = atoi(movestr);
+
+	fgets(movestr, STRLENMAX, stdin);
+	n = atoi(movestr);
+
+	for (i = 0; i < n; i++) {
+		fgets(movestr, STRLENMAX, stdin);
+		movestr[strcspn(movestr, "\n")] = 0;
+		for (j = 0; j < 18; j++)
+			if (!strcmp(movestr, moves[j]))
+				m[i] = j;
+	}
+
+	fprintf(stderr, "Last two: %s, %s\n",
+	    n > 1 ? moves[m[n-2]] : "-",
+	    n > 0 ? moves[m[n-1]] : "-");
+	uint32_t allowed = allowednextmoveH48(m, n, bound);
+	printf("0x%05X\n", allowed);
+}
-- 
cgit v1.3


From 4abb800c4b4f3a509c07821ade8d34e3699bdf10 Mon Sep 17 00:00:00 2001
From: enricotenuti <tenutz_27@outlook.it>
Date: Fri, 30 Aug 2024 17:47:48 +0200
Subject: format fix

---
 src/core/moves.h        |  7 ++++---
 src/solvers/h48/solve.h | 31 +++++++++++++++----------------
 2 files changed, 19 insertions(+), 19 deletions(-)

(limited to 'src/core/moves.h')

diff --git a/src/core/moves.h b/src/core/moves.h
index 9753993..8f9c8f5 100644
--- a/src/core/moves.h
+++ b/src/core/moves.h
@@ -12,6 +12,7 @@ _static uint32_t allowednextmoveH48(uint8_t *, uint8_t, uint32_t);
 _static_inline uint8_t inverse_trans(uint8_t);
 _static_inline uint8_t movebase(uint8_t);
 _static_inline uint8_t moveaxis(uint8_t);
+_static_inline uint32_t disable_moves(uint32_t, uint8_t);
 
 _static cube_t move(cube_t, uint8_t);
 _static cube_t premove(cube_t, uint8_t);
@@ -43,10 +44,10 @@ allowednextmove(uint8_t *moves, uint8_t n)
 	return axis[1] != axis[2] || base[0] != base[2];
 }
 
-static uint32_t 
+_static_inline uint32_t 
 disable_moves(uint32_t current_result, uint8_t base_index)
 {
-	return current_result & ~((1 << base_index) | (1 << (base_index + 1)) | (1 << (base_index + 2)));
+	return current_result & ~(7 << base_index);
 }
 
 _static uint32_t
@@ -144,7 +145,7 @@ move(cube_t c, uint8_t m)
 _static cube_t
 premove(cube_t c, uint8_t m)
 {
-		switch (m) {
+	switch (m) {
 	case _move_U:
 		return _premove(U3, c);
 	case _move_U2:
diff --git a/src/solvers/h48/solve.h b/src/solvers/h48/solve.h
index ed06a85..bbe59e5 100644
--- a/src/solvers/h48/solve.h
+++ b/src/solvers/h48/solve.h
@@ -29,8 +29,7 @@ typedef struct {
 _static void solve_h48_appendsolution(dfsarg_solveh48_t *);
 _static_inline bool solve_h48_stop(dfsarg_solveh48_t *);
 _static int64_t solve_h48_dfs(dfsarg_solveh48_t *);
-_static int64_t solve_h48(
-    cube_t, int8_t, int8_t, int8_t, uint8_t, uint8_t, const void *, char *);
+_static int64_t solve_h48(cube_t, int8_t, int8_t, int8_t, uint8_t, uint8_t, const void *, char *);
 
 _static int64_t solve_h48stats_dfs(dfsarg_solveh48stats_t *);
 _static int64_t solve_h48stats(cube_t, int8_t, const void *, char [static 12]);
@@ -38,26 +37,26 @@ _static int64_t solve_h48stats(cube_t, int8_t, const void *, char [static 12]);
 _static void
 solve_h48_appendsolution(dfsarg_solveh48_t *arg)
 {
-    int strl;
-    char *solution = *arg->nextsol; 
+	int strl;
+	char *solution = *arg->nextsol; 
 
-    strl = writemoves(arg->moves, arg->nmoves, *arg->nextsol);
-    *arg->nextsol += strl; 
+	strl = writemoves(arg->moves, arg->nmoves, *arg->nextsol);
+	*arg->nextsol += strl; 
 
-    if (arg->npremoves) {
-        **arg->nextsol = ' ';
-        (*arg->nextsol)++;
+	if (arg->npremoves) {
+		**arg->nextsol = ' ';
+		(*arg->nextsol)++;
 
 		uint8_t* invertedpremoves = invertpremoves(arg->premoves, arg->npremoves);
-        strl = writemoves(invertedpremoves, arg->npremoves, *arg->nextsol);
+		strl = writemoves(invertedpremoves, arg->npremoves, *arg->nextsol);
 		free(invertedpremoves);
-        *arg->nextsol += strl;
-    }
-    LOG("Solution found: %s\n", solution);
+		*arg->nextsol += strl;
+	}
+	LOG("Solution found: %s\n", solution);
 
-    **arg->nextsol = '\n';
-    (*arg->nextsol)++;
-    (*arg->nsols)++;
+	**arg->nextsol = '\n';
+	(*arg->nextsol)++;
+	(*arg->nsols)++;
 }
 
 _static_inline bool
-- 
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