There are 2 shapes on a 8x8 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 (2, 7)
Distance from target shape to blue trapezoid at (7, 6): 6
Closest shape is the blue trapezoid at (7, 6) with distance 6</think>

<answer>(7, 6)</answer>