1: (5 7 17)

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

2: (6 20 8)

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

3: (0 19 10)

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

4: (2 7 18)

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