There are 2 shapes on a 10x10 grid. Which shape is closest to the gray right_triangle in terms of Manhattan distance? The final answer is the grid position of the closest shape like (row_index, column_index).
<think>Target shape: gray right_triangle at (2, 2)
Distance from target shape to brown rectangle at (7, 7): 10
Closest shape is the brown rectangle at (7, 7) with distance 10</think>

<answer>(7, 7)</answer>