1: (3 5 20)

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

2: (1 7 3)

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

3: (4 13 6)

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

4: (0 17 2)

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