There are 2 shapes on a 10x10 grid. Which shape is closest to the cyan 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: cyan right_triangle at (1, 1)
Distance from target shape to orange right_triangle at (4, 3): 5
Closest shape is the orange right_triangle at (4, 3) with distance 5</think>

<answer>(4, 3)</answer>