There are 2 shapes on a 4x4 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 (0, 2)
Distance from target shape to gray square at (0, 0): 2
Closest shape is the gray square at (0, 0) with distance 2</think>

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