1: (9 15 17)

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

2: (0 6 15)

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

3: (5 20 7)

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

4: (6 17 8)

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