1: (2 8 12)

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

2: (6 12 10)

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

3: (0 7 5)

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

4: (1 19 4)

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