1: (0 1 5)

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

2: (5 9 18)

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

3: (3 14 8)

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

4: (13 19 15)

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