1: (1 7 12)

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

2: (6 15 8)

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

3: (5 13 11)

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

4: (3 14 12)

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