There are 2 shapes on a 9x9 grid. Which shape is closest to the yellow 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: yellow right_triangle at (1, 0)
Distance from target shape to brown right_triangle at (5, 2): 6
Closest shape is the brown right_triangle at (5, 2) with distance 6</think>

<answer>(5, 2)</answer>