1: (0 6 12)

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

2: (5 21 10)

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

3: (9 14 11)

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

4: (0 10 13)

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