1: (1 6 20)

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

2: (0 7 5)

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

3: (3 6 18)

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

4: (2 9 4)

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