1: (0 9 16)

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

2: (8 17 14)

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

3: (7 11 16)

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

4: (10 15 13)

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