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#ifdef CUBE_AVX2
#include <immintrin.h>
typedef __m256i cube_t;
#else
typedef struct {
uint8_t c[8];
uint8_t e[12];
} cube_t;
#endif
typedef uint8_t move_t;
typedef uint8_t trans_t;
int readmoves(char *, move_t *);
void writemoves(move_t *, int, char *);
trans_t readtrans(char *);
void writetrans(trans_t, char *);
typedef enum {AVX, H48, SRC} format_t;
cube_t readcube(format_t, char *); /* Supports: H48 */
void writecube(format_t, cube_t, char *); /* Supports: AVX, H48, SRC */
cube_t solvedcube(void);
bool issolvable(cube_t);
bool equal(cube_t, cube_t);
bool issolved(cube_t);
bool iserror(cube_t);
cube_t move(cube_t, move_t);
cube_t inverse(cube_t);
cube_t compose(cube_t, cube_t);
cube_t transform(cube_t, trans_t);
int16_t coord_eo(cube_t);
/* Solvers return -1 in case of error, the number of solutions otherwise */
int solve_small(cube_t, uint8_t, int, move_t *);
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