There are 2 shapes on a 5x5 grid. Which shape is closest to the brown right_triangle in terms of Manhattan distance? The final answer is the grid position of the closest shape like (row_index, column_index).
<think>Target shape: brown right_triangle at (1, 3)
Distance from target shape to cyan trapezoid at (3, 2): 3
Closest shape is the cyan trapezoid at (3, 2) with distance 3</think>

<answer>(3, 2)</answer>