1: (3 11 18)

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

2: (0 15 5)

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

3: (14 19 17)

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

4: (3 12 20)

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