1: (0 2 9)

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

2: (8 11 16)

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

3: (7 13 10)

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

4: (12 19 15)

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