1: (4 7 20)

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

2: (3 8 5)

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

3: (2 17 7)

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

4: (1 19 13)

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