There are 2 shapes on a 10x10 grid. Which shape is closest to the brown 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: brown right_triangle at (6, 5)
Distance from target shape to cyan right_triangle at (0, 3): 8
Closest shape is the cyan right_triangle at (0, 3) with distance 8</think>

<answer>(0, 3)</answer>