1: (2 4 18)

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

2: (4 8 12)

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

3: (7 14 9)

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

4: (3 13 5)

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