There are 2 shapes on a 10x10 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 (7, 7)
Distance from target shape to brown square at (6, 9): 3
Closest shape is the brown square at (6, 9) with distance 3</think>

<answer>(6, 9)</answer>