1: (1 8 11)

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

2: (7 16 9)

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

3: (0 14 2)

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

4: (4 8 12)

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