1: (2 6 18)

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

2: (17 18 20)

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

3: (1 8 3)

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

4: (5 10 7)

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