There are 3 shapes on a 3x3 grid. Which shape is closest to the orange rectangle in terms of Manhattan distance? The final answer is the grid position of the closest shape like (row_index, column_index).
<think>Target shape: orange rectangle at (2, 2)
Distance from target shape to gray rectangle at (2, 0): 2
Distance from target shape to yellow square at (2, 1): 1
Closest shape is the yellow square at (2, 1) with distance 1</think>

<answer>(2, 1)</answer>