1: (0 6 11)

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

2: (5 18 7)

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

3: (0 6 11)

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

4: (2 20 8)

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