There are 2 shapes on a 10x10 grid. Which shape is closest to the red square in terms of Manhattan distance? The final answer is the grid position of the closest shape like (row_index, column_index).
<think>Target shape: red square at (9, 5)
Distance from target shape to gray right_triangle at (9, 2): 3
Closest shape is the gray right_triangle at (9, 2) with distance 3</think>

<answer>(9, 2)</answer>