1: (2 6 12)

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

2: (12 14 19)

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

3: (1 8 3)

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

4: (5 10 7)

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