1: (2 7 12)

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

2: (5 12 11)

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

3: (6 14 8)

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

4: (10 16 13)

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