1: (2 5 18)

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

2: (17 18 20)

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

3: (1 6 4)

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

4: (0 15 3)

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