There are 4 shapes on a 6x6 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 (2, 2)
Distance from target shape to gray rectangle at (1, 0): 3
Distance from target shape to orange right_triangle at (3, 1): 2
Distance from target shape to blue trapezoid at (5, 3): 4
Closest shape is the orange right_triangle at (3, 1) with distance 2</think>

<answer>(3, 1)</answer>