1: (5 8 18)

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

2: (4 13 6)

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

3: (2 9 7)

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

4: (1 11 8)

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