1: (0 2 3)

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

2: (3 8 12)

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

3: (7 14 9)

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

4: (11 16 13)

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