1: (0 1 10)

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

2: (8 10 20)

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

3: (7 12 9)

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

4: (6 19 10)

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