There are 2 shapes on a 9x9 grid. Which shape is closest to the gray 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: gray rectangle at (1, 4)
Distance from target shape to brown trapezoid at (5, 2): 6
Closest shape is the brown trapezoid at (5, 2) with distance 6</think>

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