1: (3 7 10)

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

2: (2 7 18)

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

3: (6 11 8)

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

4: (2 10 5)

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