There are 2 shapes on a 7x7 grid. Which shape is closest to the yellow 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: yellow rectangle at (4, 4)
Distance from target shape to red square at (3, 2): 3
Closest shape is the red square at (3, 2) with distance 3</think>

<answer>(3, 2)</answer>