Question 9
Dissect the six figures in the diagram below into twelve pieces, each consisting of five squares, such that no two of the twelve pieces are identical up to rotation and reflection.

Original answer template:

Submission guidance: Supply the six completed dissection diagrams only; no written proof is required by the source for this odd-numbered problem. Each piece must be connected along square edges. The black cell is excluded. Any dissection satisfying all conditions is accepted by manual, all-or-nothing grading.

Original answer template:

Submission guidance: Supply the six completed dissection diagrams only; no written proof is required by the source for this odd-numbered problem. Each piece must be connected along square edges. The black cell is excluded. Any dissection satisfying all conditions is accepted by manual, all-or-nothing grading.