1: [1 2 3 4 5]=[] (3 4) 2: [1 2 4 3 5]=((3 4)) (4 5) 3: [1 2 4 5 3]=((3 4 5)) (3 4) 4: [1 2 5 4 3]=((3 5)) (2 3) 5: [1 5 2 4 3]=((2 5 3)) (3 4) 6: [1 5 4 2 3]=((2 5 3 4)) (2 3) 7: [1 4 5 2 3]=((2 4)(3 5)) (1 2) 8: [4 1 5 2 3]=((1 4 2)(3 5)) (2 3) 9: [4 5 1 2 3]=((1 4 2 5 3)) (1 2) 10: [5 4 1 2 3]=((1 5 3)(2 4)) (2 3) 11: [5 1 4 2 3]=((1 5 3 4 2)) (3 4) 12: [5 1 2 4 3]=((1 5 3 2)) (2 3) 13: [5 2 1 4 3]=((1 5 3)) (3 4) 14: [5 2 4 1 3]=((1 5 3 4)) (2 3) 15: [5 4 2 1 3]=((1 5 3 2 4)) (1 2) 16: [4 5 2 1 3]=((1 4)(2 5 3)) (2 3) 17: [4 2 5 1 3]=((1 4)(3 5)) (1 2) 18: [2 4 5 1 3]=((1 2 4)(3 5)) (2 3) 19: [2 5 4 1 3]=((1 2 5 3 4)) (3 4) 20: [2 5 1 4 3]=((1 2 5 3)) (2 3) 21: [2 1 5 4 3]=((1 2)(3 5)) (3 4) 22: [2 1 4 5 3]=((1 2)(3 4 5)) (2 3) 23: [2 4 1 5 3]=((1 2 4 5 3)) (1 2) 24: [4 2 1 5 3]=((1 4 5 3)) (2 3) 25: [4 1 2 5 3]=((1 4 5 3 2)) (1 2) 26: [1 4 2 5 3]=((2 4 5 3)) (4 5) 27: [1 4 2 3 5]=((2 4 3)) (1 2) 28: [4 1 2 3 5]=((1 4 3 2)) (2 3) 29: [4 2 1 3 5]=((1 4 3)) (1 2) 30: [2 4 1 3 5]=((1 2 4 3)) (2 3) 31: [2 1 4 3 5]=((1 2)(3 4)) (3 4) 32: [2 1 3 4 5]=((1 2)) (4 5) 33: [2 1 3 5 4]=((1 2)(4 5)) (3 4) 34: [2 1 5 3 4]=((1 2)(3 5 4)) (2 3) 35: [2 5 1 3 4]=((1 2 5 4 3)) (1 2) 36: [5 2 1 3 4]=((1 5 4 3)) (2 3) 37: [5 1 2 3 4]=((1 5 4 3 2)) (1 2) 38: [1 5 2 3 4]=((2 5 4 3)) (2 3) 39: [1 2 5 3 4]=((3 5 4)) (3 4) 40: [1 2 3 5 4]=((4 5)) (2 3) 41: [1 3 2 5 4]=((2 3)(4 5)) (3 4) 42: [1 3 5 2 4]=((2 3 5 4)) (2 3) 43: [1 5 3 2 4]=((2 5 4)) (1 2) 44: [5 1 3 2 4]=((1 5 4 2)) (2 3) 45: [5 3 1 2 4]=((1 5 4 2 3)) (1 2) 46: [3 5 1 2 4]=((1 3)(2 5 4)) (2 3) 47: [3 1 5 2 4]=((1 3 5 4 2)) (3 4) 48: [3 1 2 5 4]=((1 3 2)(4 5)) (2 3) 49: [3 2 1 5 4]=((1 3)(4 5)) (3 4) 50: [3 2 5 1 4]=((1 3 5 4)) (2 3) 51: [3 5 2 1 4]=((1 3 2 5 4)) (1 2) 52: [5 3 2 1 4]=((1 5 4)(2 3)) (2 3) 53: [5 2 3 1 4]=((1 5 4)) (1 2) 54: [2 5 3 1 4]=((1 2 5 4)) (2 3) 55: [2 3 5 1 4]=((1 2 3 5 4)) (3 4) 56: [2 3 1 5 4]=((1 2 3)(4 5)) (4 5) 57: [2 3 1 4 5]=((1 2 3)) (3 4) 58: [2 3 4 1 5]=((1 2 3 4)) (2 3) 59: [2 4 3 1 5]=((1 2 4)) (1 2) 60: [4 2 3 1 5]=((1 4)) (2 3) | 61: [4 3 2 1 5]=((1 4)(2 3)) (1 2) 62: [3 4 2 1 5]=((1 3 2 4)) (4 5) 63: [3 4 2 5 1]=((1 3 2 4 5)) (1 2) 64: [4 3 2 5 1]=((1 4 5)(2 3)) (2 3) 65: [4 2 3 5 1]=((1 4 5)) (1 2) 66: [2 4 3 5 1]=((1 2 4 5)) (2 3) 67: [2 3 4 5 1]=((1 2 3 4 5)) (3 4) 68: [2 3 5 4 1]=((1 2 3 5)) (2 3) 69: [2 5 3 4 1]=((1 2 5)) (3 4) 70: [2 5 4 3 1]=((1 2 5)(3 4)) (2 3) 71: [2 4 5 3 1]=((1 2 4 3 5)) (1 2) 72: [4 2 5 3 1]=((1 4 3 5)) (2 3) 73: [4 5 2 3 1]=((1 4 3 2 5)) (1 2) 74: [5 4 2 3 1]=((1 5)(2 4 3)) (2 3) 75: [5 2 4 3 1]=((1 5)(3 4)) (3 4) 76: [5 2 3 4 1]=((1 5)) (2 3) 77: [5 3 2 4 1]=((1 5)(2 3)) (3 4) 78: [5 3 4 2 1]=((1 5)(2 3 4)) (2 3) 79: [5 4 3 2 1]=((1 5)(2 4)) (1 2) 80: [4 5 3 2 1]=((1 4 2 5)) (2 3) 81: [4 3 5 2 1]=((1 4 2 3 5)) (1 2) 82: [3 4 5 2 1]=((1 3 5)(2 4)) (2 3) 83: [3 5 4 2 1]=((1 3 4 2 5)) (3 4) 84: [3 5 2 4 1]=((1 3 2 5)) (2 3) 85: [3 2 5 4 1]=((1 3 5)) (3 4) 86: [3 2 4 5 1]=((1 3 4 5)) (4 5) 87: [3 2 4 1 5]=((1 3 4)) (3 4) 88: [3 2 1 4 5]=((1 3)) (2 3) 89: [3 1 2 4 5]=((1 3 2)) (3 4) 90: [3 1 4 2 5]=((1 3 4 2)) (2 3) 91: [3 4 1 2 5]=((1 3)(2 4)) (1 2) 92: [4 3 1 2 5]=((1 4 2 3)) (4 5) 93: [4 3 1 5 2]=((1 4 5 2 3)) (1 2) 94: [3 4 1 5 2]=((1 3)(2 4 5)) (2 3) 95: [3 1 4 5 2]=((1 3 4 5 2)) (3 4) 96: [3 1 5 4 2]=((1 3 5 2)) (2 3) 97: [3 5 1 4 2]=((1 3)(2 5)) (3 4) 98: [3 5 4 1 2]=((1 3 4)(2 5)) (2 3) 99: [3 4 5 1 2]=((1 3 5 2 4)) (1 2) 100: [4 3 5 1 2]=((1 4)(2 3 5)) (2 3) 101: [4 5 3 1 2]=((1 4)(2 5)) (1 2) 102: [5 4 3 1 2]=((1 5 2 4)) (2 3) 103: [5 3 4 1 2]=((1 5 2 3 4)) (3 4) 104: [5 3 1 4 2]=((1 5 2 3)) (2 3) 105: [5 1 3 4 2]=((1 5 2)) (3 4) 106: [5 1 4 3 2]=((1 5 2)(3 4)) (2 3) 107: [5 4 1 3 2]=((1 5 2 4 3)) (1 2) 108: [4 5 1 3 2]=((1 4 3)(2 5)) (2 3) 109: [4 1 5 3 2]=((1 4 3 5 2)) (1 2) 110: [1 4 5 3 2]=((2 4 3 5)) (2 3) 111: [1 5 4 3 2]=((2 5)(3 4)) (3 4) 112: [1 5 3 4 2]=((2 5)) (2 3) 113: [1 3 5 4 2]=((2 3 5)) (3 4) 114: [1 3 4 5 2]=((2 3 4 5)) (2 3) 115: [1 4 3 5 2]=((2 4 5)) (1 2) 116: [4 1 3 5 2]=((1 4 5 2)) (4 5) 117: [4 1 3 2 5]=((1 4 2)) (1 2) 118: [1 4 3 2 5]=((2 4)) (2 3) 119: [1 3 4 2 5]=((2 3 4)) (3 4) 120: [1 3 2 4 5]=((2 3)) (2 3) |