1: (7 10 15)

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

2: (5 11 9)

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

3: (6 20 8)

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

4: (0 12 10)

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