ARC-AGI Tasks where the job is to extract content from a grid.
example count: 2-4.
test count: 1-2.
image size: 2-4.
cell size: 1-5.
grid line size: 1.
image size: 2-5.
cell size: 1-6.
grid line size: 1-2.
Added generate_task_mutate_content_inside_grid, that does flipx, flipy, rotate 180, while preserving the grid.
