There are 2 shapes on a 7x7 grid. Which shape is closest to the yellow trapezoid in terms of Manhattan distance? The final answer is the grid position of the closest shape like (row_index, column_index).
<think>Target shape: yellow trapezoid at (5, 6)
Distance from target shape to blue trapezoid at (1, 6): 4
Closest shape is the blue trapezoid at (1, 6) with distance 4</think>

<answer>(1, 6)</answer>