There are 2 shapes on a 9x9 grid. Which shape is closest to the brown rectangle 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 rectangle at (3, 8)
Distance from target shape to cyan rectangle at (4, 1): 8
Closest shape is the cyan rectangle at (4, 1) with distance 8</think>

<answer>(4, 1)</answer>