1: (2 7 15)

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

2: (0 9 5)

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

3: (8 19 10)

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

4: (2 20 16)

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