1: (7 12 18)

(0 13 10)(1 9 3)(2 19 4)(5 14 11)(6 16 8)(7 12 18)(15 20 17)

2: (6 16 8)

(0 13 10)(1 9 3)(2 19 4)(5 14 11)(6)(7 12 18)(8)(15 20 17)(16)

3: (7 12 18)

(0 13 10)(1 9 3)(2 19 4)(5 14 11)(6)(7)(8)(12)(15 20 17)(16)(18)

4: (15 20 17)

(0 13 10)(1 9 3)(2 19 4)(5 14 11)(6)(7)(8)(12)(15)(16)(17)(18)(20)