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

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