1: (4 11 18)

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

2: (9 20 15)

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

3: (1 10 8)

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

4: (0 4 2)

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