1: (5 10 18)

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

2: (8 19 17)

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

3: (7 11 9)

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

4: (14 20 18)

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