1: (2 6 18)

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

2: (1 7 5)

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

3: (0 14 6)

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

4: (13 19 17)

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