1: (6 10 17)

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

2: (5 11 9)

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

3: (2 12 10)

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

4: (1 8 3)

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