1: (1 8 18)

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

2: (7 20 9)

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

3: (0 19 17)

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

4: (2 14 18)

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