2 files changed, 11 insertions, 4 deletions

diff --git a/src/core/constants.h b/src/core/constants.h
index 6505689..2908f28 100644
--- a/src/core/constants.h
+++ b/src/core/constants.h
@@ -696,17 +696,17 @@ STATIC uint8_t orientation_transition_table[][3] = {
         [ORIENTATION_RB] = { ORIENTATION_BL, ORIENTATION_RU, ORIENTATION_DB },
         [ORIENTATION_RU] = { ORIENTATION_UL, ORIENTATION_RF, ORIENTATION_BU },
         [ORIENTATION_LF] = { ORIENTATION_FR, ORIENTATION_LU, ORIENTATION_DF },
-        [ORIENTATION_LD] = { ORIENTATION_DR, ORIENTATION_LB, ORIENTATION_BD },
+        [ORIENTATION_LD] = { ORIENTATION_DR, ORIENTATION_LF, ORIENTATION_BD },
         [ORIENTATION_LB] = { ORIENTATION_BR, ORIENTATION_LD, ORIENTATION_UB },
-        [ORIENTATION_LU] = { ORIENTATION_UR, ORIENTATION_LF, ORIENTATION_FU },
+        [ORIENTATION_LU] = { ORIENTATION_UR, ORIENTATION_LB, ORIENTATION_FU },
         [ORIENTATION_FD] = { ORIENTATION_DB, ORIENTATION_FR, ORIENTATION_LD },
         [ORIENTATION_FR] = { ORIENTATION_RB, ORIENTATION_FU, ORIENTATION_DR },
         [ORIENTATION_FU] = { ORIENTATION_UB, ORIENTATION_FL, ORIENTATION_RU },
         [ORIENTATION_FL] = { ORIENTATION_LB, ORIENTATION_FD, ORIENTATION_UL },
         [ORIENTATION_BD] = { ORIENTATION_DF, ORIENTATION_BL, ORIENTATION_RD },
-        [ORIENTATION_BR] = { ORIENTATION_RF, ORIENTATION_BU, ORIENTATION_UR },
+        [ORIENTATION_BR] = { ORIENTATION_RF, ORIENTATION_BD, ORIENTATION_UR },
         [ORIENTATION_BU] = { ORIENTATION_UF, ORIENTATION_BR, ORIENTATION_LU },
-        [ORIENTATION_BL] = { ORIENTATION_LF, ORIENTATION_BD, ORIENTATION_DL },
+        [ORIENTATION_BL] = { ORIENTATION_LF, ORIENTATION_BU, ORIENTATION_DL },
 };
 
 STATIC uint8_t orientation_trans[] = {
diff --git a/src/core/moves.h b/src/core/moves.h
index 20544a3..0d97172 100644
--- a/src/core/moves.h
+++ b/src/core/moves.h
@@ -16,6 +16,7 @@ STATIC_INLINE bool isbase(uint8_t);
 STATIC_INLINE bool parallel(uint8_t, uint8_t);
 STATIC_INLINE uint8_t moveopposite(uint8_t);
 STATIC_INLINE uint8_t reorient_move(uint8_t, uint8_t);
+STATIC_INLINE uint8_t inverse_reorient_move(uint8_t, uint8_t);
 STATIC_INLINE uint8_t movefollow(uint8_t);
 STATIC uint8_t transform_move(uint8_t, uint8_t);
 
@@ -223,6 +224,12 @@ reorient_move(uint8_t m, uint8_t or)
         return transform_move(m, orientation_trans[or]);
 }
 
+STATIC_INLINE uint8_t
+inverse_reorient_move(uint8_t m, uint8_t or)
+{
+        return transform_move(m, inverse_trans_table[orientation_trans[or]]);
+}
+
 /* This is currently unused, but it may turn out to be useful at some point */
 STATIC_INLINE uint8_t
 movefollow(uint8_t move)