1: (5 11 18)

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

2: (8 20 16)

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

3: (7 14 9)

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

4: (13 18 15)

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