1: (5 12 17)

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

2: (9 20 15)

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

3: (0 19 8)

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

4: (7 12 10)

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