1: (0 1 17)

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

2: (9 17 21)

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

3: (5 19 15)

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

4: (1 20 17)

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