1: (0 2 4)

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

2: (2 6 20)

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

3: (3 21 8)

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

4: (5 9 7)

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