There are 2 shapes on a 9x9 grid. Which shape is closest to the cyan 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: cyan trapezoid at (4, 6)
Distance from target shape to green rectangle at (7, 1): 8
Closest shape is the green rectangle at (7, 1) with distance 8</think>

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