1: (1 4 18)

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

2: (3 4 6)

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

3: (0 17 2)

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

4: (1 11 4)

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