There are 3 shapes on a 8x8 grid. Which shape is closest to the blue square 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 square at (2, 3)
Distance from target shape to cyan right_triangle at (0, 2): 3
Distance from target shape to brown trapezoid at (7, 3): 5
Closest shape is the cyan right_triangle at (0, 2) with distance 3</think>

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