1: (0 2 15)

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

2: (1 21 5)

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

3: (2 19 6)

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

4: (8 20 17)

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