1: (1 7 13)

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

2: (6 20 8)

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

3: (1 7 13)

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

4: (0 18 4)

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