1: (0 8 12)

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

2: (6 21 10)

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

3: (7 11 9)

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

4: (12 15 20)

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