1: (9 11 20)

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

2: (2 6 11)

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

3: (0 7 5)

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

4: (6 20 8)

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