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Arukone (Filled, CrossCount) (1077)
Instruction:
Some cells in the grid are marked with numbers. Draw paths that connect identical numbers; each number must be an endpoint of a path. The paths must go through orthogonally adjacent cells. Each cell must be visited by at least one path.
Paths can intersect, but only when two paths are going straight through the same cell. (A path may not intersect itself.) The numbers at the endpoint of a path must indicate the number of intersections the path goes through.
The contents of some cells may be given. No additional paths may be added to those cells.