There are 2 shapes on a 9x9 grid. Which shape is closest to the blue 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: blue trapezoid at (7, 5)
Distance from target shape to brown square at (8, 4): 2
Closest shape is the brown square at (8, 4) with distance 2</think>

<answer>(8, 4)</answer>