There are 2 shapes on a 7x7 grid. Which shape is closest to the pink 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: pink trapezoid at (6, 3)
Distance from target shape to cyan square at (1, 1): 7
Closest shape is the cyan square at (1, 1) with distance 7</think>

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