1: (1 6 9)

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

2: (5 18 7)

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

3: (4 10 8)

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

4: (2 11 9)

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