1: (0 4 8)

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

2: (3 20 5)

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

3: (2 21 8)

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

4: (4 9 6)

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