There are 2 shapes on a 9x9 grid. Which shape is closest to the brown square in terms of Manhattan distance? The final answer is the grid position of the closest shape like (row_index, column_index).
<think>Target shape: brown square at (4, 2)
Distance from target shape to purple rectangle at (5, 5): 4
Closest shape is the purple rectangle at (5, 5) with distance 4</think>

<answer>(5, 5)</answer>