1: (1 9 11)

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

2: (5 12 10)

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

3: (1 17 7)

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

4: (6 14 8)

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