1: (0 6 12)

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

2: (5 20 8)

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

3: (6 19 10)

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

4: (7 17 9)

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