1: (5 7 18)

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

2: (4 8 6)

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

3: (7 20 9)

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

4: (3 19 15)

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