1: (4 7 15)

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

2: (6 20 8)

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

3: (4 7 15)

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

4: (2 9 5)

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