1: (3 6 16)

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

2: (0 7 5)

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

3: (1 18 4)

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

4: (2 16 12)

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