1: (1 3 7)

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

2: (6 10 14)

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

3: (5 12 9)

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

4: (11 16 13)

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