There are 2 shapes on a 7x7 grid. Which shape is closest to the red 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: red rectangle at (4, 4)
Distance from target shape to cyan square at (5, 4): 1
Closest shape is the cyan square at (5, 4) with distance 1</think>

<answer>(5, 4)</answer>