There are 2 shapes on a 3x3 grid. Which shape is closest to the blue 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: blue right_triangle at (2, 2)
Distance from target shape to green trapezoid at (2, 0): 2
Closest shape is the green trapezoid at (2, 0) with distance 2</think>

<answer>(2, 0)</answer>