1: (0 6 9)

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

2: (9 13 18)

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

3: (7 16 11)

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

4: (15 19 17)

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