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 (3, 0)
Distance from target shape to brown square at (0, 6): 9
Closest shape is the brown square at (0, 6) with distance 9</think>

<answer>(0, 6)</answer>