There are 2 shapes on a 8x8 grid. Which shape is closest to the blue 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: blue trapezoid at (2, 1)
Distance from target shape to red square at (2, 2): 1
Closest shape is the red square at (2, 2) with distance 1</think>

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