There are 2 shapes on a 8x8 grid. Which shape is closest to the yellow trapezoid in terms of Manhattan distance? The final answer is the grid position of the closest shape like (row_index, column_index).
<think>Target shape: yellow trapezoid at (4, 1)
Distance from target shape to brown right_triangle at (3, 2): 2
Closest shape is the brown right_triangle at (3, 2) with distance 2</think>

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