1: (2 7 9)

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

2: (6 20 8)

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

3: (2 7 9)

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

4: (0 19 3)

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