There are 2 shapes on a 7x7 grid. Which shape is closest to the gray 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: gray square at (0, 1)
Distance from target shape to blue trapezoid at (2, 0): 3
Closest shape is the blue trapezoid at (2, 0) with distance 3</think>

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