1: (0 1 12)

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

2: (5 12 21)

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

3: (2 13 8)

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

4: (1 20 12)

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