1: (9 16 18)

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

2: (3 17 18)

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

3: (0 10 8)

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

4: (2 20 5)

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