1: (7 9 15)

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

2: (6 10 8)

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

3: (1 11 9)

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

4: (3 16 13)

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