There are 2 shapes on a 9x9 grid. Which shape is closest to the yellow rectangle 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 rectangle at (6, 1)
Distance from target shape to brown right_triangle at (7, 2): 2
Closest shape is the brown right_triangle at (7, 2) with distance 2</think>

<answer>(7, 2)</answer>