There are 2 shapes on a 6x6 grid. Which shape is closest to the brown 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: brown trapezoid at (0, 3)
Distance from target shape to blue trapezoid at (4, 0): 7
Closest shape is the blue trapezoid at (4, 0) with distance 7</think>

<answer>(4, 0)</answer>