There are 4 shapes on a 7x7 grid. Which shape is closest to the orange 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: orange rectangle at (4, 2)
Distance from target shape to yellow square at (3, 2): 1
Distance from target shape to brown rectangle at (3, 6): 5
Distance from target shape to red square at (5, 0): 3
Closest shape is the yellow square at (3, 2) with distance 1</think>

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