1: (2 7 18)

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

2: (1 10 3)

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

3: (2 7 18)

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

4: (6 14 8)

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