1: (2 9 12)

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

2: (2 4 7)

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

3: (0 5 3)

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

4: (6 11 8)

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