1: (2 5 18)

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

2: (1 17 3)

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

3: (2 5 18)

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

4: (0 7 4)

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