1: (0 1 5)

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

2: (5 13 18)

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

3: (2 16 12)

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

4: (15 19 17)

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