1: (0 1 17)

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

2: (9 17 21)

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

3: (5 18 13)

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

4: (1 20 17)

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