1: (9 15 18)

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

2: (14 20 16)

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

3: (4 18 13)

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

4: (3 17 5)

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