1: (6 8 17)

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

2: (4 9 7)

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

3: (2 10 8)

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

4: (1 11 3)

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