There are 2 shapes on a 7x7 grid. Which shape is closest to the purple 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: purple trapezoid at (5, 4)
Distance from target shape to brown square at (0, 1): 8
Closest shape is the brown square at (0, 1) with distance 8</think>

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