1: (3 8 20)

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

2: (1 9 7)

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

3: (0 5 2)

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

4: (3 12 17)

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