1: (2 7 12)

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

2: (6 18 8)

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

3: (0 9 5)

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

4: (3 12 11)

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