1: (2 7 8)

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

2: (5 9 7)

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

3: (1 6 4)

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

4: (5 18 8)

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