1: (8 16 18)

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

2: (15 20 17)

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

3: (5 18 14)

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

4: (4 13 6)

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