1: (2 5 6)

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

2: (6 10 16)

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

3: (9 17 11)

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

4: (5 16 8)

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