There are 2 shapes on a 7x7 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, 4)
Distance from target shape to gray rectangle at (0, 4): 3
Closest shape is the gray rectangle at (0, 4) with distance 3</think>

<answer>(0, 4)</answer>