1: (0 6 7)

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

2: (7 11 17)

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

3: (10 18 12)

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

4: (6 17 9)

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