1: (2 7 12)

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

2: (9 12 14)

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

3: (11 16 13)

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

4: (0 8 6)

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