There are 2 shapes on a 3x3 grid. Which shape is closest to the gray 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: gray right_triangle at (2, 0)
Distance from target shape to green square at (0, 2): 4
Closest shape is the green square at (0, 2) with distance 4</think>

<answer>(0, 2)</answer>