There are 2 shapes on a 7x7 grid. Which shape is closest to the red 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: red trapezoid at (3, 3)
Distance from target shape to brown trapezoid at (1, 4): 3
Closest shape is the brown trapezoid at (1, 4) with distance 3</think>

<answer>(1, 4)</answer>