There are 3 shapes on a 9x9 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 (2, 3)
Distance from target shape to purple square at (2, 2): 1
Distance from target shape to orange trapezoid at (6, 8): 9
Closest shape is the purple square at (2, 2) with distance 1</think>

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