1: (0 2 5)

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

2: (5 8 17)

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

3: (3 13 7)

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

4: (12 18 15)

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