1: (8 17 20)

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

2: (1 19 9)

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

3: (2 18 16)

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

4: (0 11 17)

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