1: (0 8 12)

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

2: (7 15 9)

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

3: (11 16 13)

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

4: (0 10 8)

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