1: (0 9 19)

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

2: (1 20 18)

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

3: (11 17 21)

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

4: (5 12 10)

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