There are 2 shapes on a 8x8 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 (2, 6)
Distance from target shape to pink rectangle at (6, 5): 5
Closest shape is the pink rectangle at (6, 5) with distance 5</think>

<answer>(6, 5)</answer>