There are 2 shapes on a 7x7 grid. Which shape is closest to the yellow 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: yellow trapezoid at (0, 3)
Distance from target shape to gray square at (0, 6): 3
Closest shape is the gray square at (0, 6) with distance 3</think>

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