1: (6 8 10)

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

2: (0 2 8)

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

3: (1 18 3)

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

4: (2 10 4)

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