There are 3 shapes on a 9x9 grid. Which shape is closest to the cyan 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: cyan square at (4, 2)
Distance from target shape to pink rectangle at (7, 1): 4
Distance from target shape to red square at (0, 4): 6
Closest shape is the pink rectangle at (7, 1) with distance 4</think>

<answer>(7, 1)</answer>