1: (2 6 10)

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

2: (5 19 7)

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

3: (2 6 10)

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

4: (1 8 4)

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