1: (0 5 8)

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

2: (5 14 17)

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

3: (13 18 16)

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

4: (12 19 17)

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