There are 3 shapes on a 9x9 grid. Which shape is closest to the brown trapezoid in terms of Manhattan distance? The final answer is the grid position of the closest shape like (row_index, column_index).
<think>Target shape: brown trapezoid at (8, 2)
Distance from target shape to green square at (3, 4): 7
Distance from target shape to pink trapezoid at (3, 8): 11
Closest shape is the green square at (3, 4) with distance 7</think>

<answer>(3, 4)</answer>