1: (0 3 6)

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

2: (2 8 5)

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

3: (6 13 18)

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

4: (12 19 17)

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