There are 2 shapes on a 9x9 grid. Which shape is closest to the gray 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: gray trapezoid at (4, 8)
Distance from target shape to purple rectangle at (6, 2): 8
Closest shape is the purple rectangle at (6, 2) with distance 8</think>

<answer>(6, 2)</answer>