There are 2 shapes on a 4x4 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 green right_triangle at (1, 0): 3
Closest shape is the green right_triangle at (1, 0) with distance 3</think>

<answer>(1, 0)</answer>