static void initFlipSym2Raw() { CubieCube c = new CubieCube(); CubieCube d = new CubieCube(); int[] occ = new int[2048 >> 5]; int count = 0; for (int i = 0; i < 2048 >> 5; occ[i++] = 0) ; FlipR2S = new char[2048]; for (int i = 0; i < 2048; i++) { if ((occ[i >> 5] & (1 << (i & 0x1f))) == 0) { c.setFlip(i); for (int s = 0; s < 16; s += 2) { EdgeConjugate(c, s, d); int idx = d.getFlip(); if (idx == i) { SymStateFlip[count] |= 1 << (s >> 1); } occ[idx >> 5] |= 1 << (idx & 0x1f); FlipR2S[idx] = (char) ((count << 3) | (s >> 1)); } FlipS2R[count++] = (char) i; } } }