1: (7 10 20)

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

2: (6 14 8)

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

3: (5 12 9)

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

4: (1 2 10)

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