1: (5 8 15)

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

2: (0 9 7)

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

3: (3 12 6)

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

4: (1 5 11)

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