There are 3 shapes on a 10x10 grid. Which shape is closest to the orange rectangle in terms of Manhattan distance? The final answer is the grid position of the closest shape like (row_index, column_index).
<think>Target shape: orange rectangle at (7, 7)
Distance from target shape to brown right_triangle at (6, 0): 8
Distance from target shape to green rectangle at (1, 4): 9
Closest shape is the brown right_triangle at (6, 0) with distance 8</think>

<answer>(6, 0)</answer>