1: (0 1 7)

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

2: (4 10 18)

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

3: (2 14 5)

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

4: (3 12 6)

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