1: (7 11 18)

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

2: (4 14 8)

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

3: (10 16 12)

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

4: (6 18 9)

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