There are 2 shapes on a 8x8 grid. Which shape is closest to the red 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: red trapezoid at (0, 3)
Distance from target shape to blue trapezoid at (6, 0): 9
Closest shape is the blue trapezoid at (6, 0) with distance 9</think>

<answer>(6, 0)</answer>