1: (0 7 15)

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

2: (2 21 12)

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

3: (5 13 11)

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

4: (3 8 6)

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