1: (0 1 16)

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

2: (5 16 21)

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

3: (2 19 15)

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

4: (1 20 16)

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