There are 2 shapes on a 5x5 grid. Which shape is closest to the orange 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: orange right_triangle at (4, 0)
Distance from target shape to pink right_triangle at (1, 0): 3
Closest shape is the pink right_triangle at (1, 0) with distance 3</think>

<answer>(1, 0)</answer>