There are 3 shapes on a 4x4 grid. Which shape is closest to the pink 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: pink square at (0, 0)
Distance from target shape to blue square at (0, 3): 3
Distance from target shape to orange trapezoid at (3, 2): 5
Closest shape is the blue square at (0, 3) with distance 3</think>

<answer>(0, 3)</answer>