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

<answer>(2, 4)</answer>