There are 3 shapes on a 5x5 grid. Which shape is closest to the brown right_triangle 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 right_triangle at (2, 0)
Distance from target shape to red rectangle at (3, 3): 4
Distance from target shape to green right_triangle at (0, 3): 5
Closest shape is the red rectangle at (3, 3) with distance 4</think>

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