1: (0 4 8)

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

2: (2 9 7)

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

3: (1 5 3)

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

4: (8 12 20)

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