1: (8 16 18)

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

2: (15 20 17)

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

3: (5 18 14)

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

4: (4 10 6)

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