1: (0 5 15)

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

2: (3 17 6)

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

3: (13 18 16)

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

4: (0 8 5)

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