1: (7 10 20)

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

2: (7 18 19)

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

3: (6 11 8)

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

4: (0 19 10)

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