There are 2 shapes on a 7x7 grid. Which shape is closest to the blue square in terms of Manhattan distance? The final answer is the grid position of the closest shape like (row_index, column_index).
<think>Target shape: blue square at (0, 4)
Distance from target shape to pink trapezoid at (2, 6): 4
Closest shape is the pink trapezoid at (2, 6) with distance 4</think>

<answer>(2, 6)</answer>