1: (1 6 18)

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

2: (0 17 4)

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

3: (2 7 5)

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

4: (6 20 8)

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