1: (2 6 18)

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

2: (5 20 7)

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

3: (2 6 18)

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

4: (1 8 4)

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