There are 2 shapes on a 4x4 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 (1, 1)
Distance from target shape to orange trapezoid at (1, 2): 1
Closest shape is the orange trapezoid at (1, 2) with distance 1</think>

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