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 (0, 7)
Distance from target shape to green square at (1, 7): 1
Closest shape is the green square at (1, 7) with distance 1</think>

<answer>(1, 7)</answer>