There are 2 shapes on a 8x8 grid. Which shape is closest to the pink 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: pink square at (5, 4)
Distance from target shape to blue square at (0, 0): 9
Closest shape is the blue square at (0, 0) with distance 9</think>

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