1: (3 18 20)

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

2: (0 19 6)

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

3: (3 18 20)

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

4: (2 10 5)

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