1: (2 6 13)

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

2: (1 8 4)

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

3: (2 6 13)

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

4: (5 12 7)

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