1: (0 5 10)

(0)(1 20 3)(2 8 4)(5 12 10 18 16 15 7)(6 11 9)(13 21 19 17 14)

2: (7 10 18)

(0)(1 20 3)(2 8 4)(5 12 10)(6 11 9)(7 16 15)(13 21 19 17 14)(18)

3: (6 11 9)

(0)(1 20 3)(2 8 4)(5 12 10)(6)(7 16 15)(9)(11)(13 21 19 17 14)(18)

4: (5 12 10)

(0)(1 20 3)(2 8 4)(5)(6)(7 16 15)(9)(10)(11)(12)(13 21 19 17 14)(18)