1: (8 13 18)

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

2: (1 4 13)

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

3: (2 10 6)

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

4: (7 12 9)

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