There are 2 shapes on a 10x10 grid. Which shape is closest to the purple 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: purple trapezoid at (8, 8)
Distance from target shape to brown square at (9, 8): 1
Closest shape is the brown square at (9, 8) with distance 1</think>

<answer>(9, 8)</answer>