| 71 | } |
| 72 | |
| 73 | private static void doMove(int m, int n) { |
| 74 | n %= 4; |
| 75 | if (n > 0) { |
| 76 | switch (m) { |
| 77 | case 0: //U |
| 78 | case 1: //R |
| 79 | case 2: //F |
| 80 | case 3: //D |
| 81 | case 4: //L |
| 82 | case 5: //B |
| 83 | for (int i = 0; i < n; i++) { |
| 84 | permMove(state[0], m); |
| 85 | twistMove(state[1], m); |
| 86 | } |
| 87 | break; |
| 88 | case 6: //y |
| 89 | case 7: //x |
| 90 | case 8: //z |
| 91 | for (int i = 0; i < n; i++) { |
| 92 | permMove(state[0], m - 6); |
| 93 | twistMove(state[1], m - 6); |
| 94 | } |
| 95 | for (int i = 0; i < 4 - n; i++) { |
| 96 | permMove(state[0], m - 3); |
| 97 | twistMove(state[1], m - 3); |
| 98 | } |
| 99 | break; |
| 100 | } |
| 101 | } |
| 102 | } |
| 103 | |
| 104 | private static void swap(int first, int second) { |
| 105 | if (first < 0 || second < 0 || first > 7 || second > 7 || first == second) { |