1: (0 2 4)

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

2: (2 6 17)

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

3: (3 19 8)

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

4: (5 9 7)

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