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 (0, 8)
Distance from target shape to red trapezoid at (5, 8): 5
Closest shape is the red trapezoid at (5, 8) with distance 5</think>

<answer>(5, 8)</answer>