1: (4 6 11)

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

2: (5 15 7)

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

3: (3 12 9)

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

4: (4 8 6)

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