Free Daily Puzzle: CalcuDoku 4×4 (0037)

Four Winds is played on a rectangular grid with black and white cells.
All black cells contain numbers.

• Draw one straight line segment in every white cell: either horizontal or vertical.

• From each numbered black cell, its number equals the total count of white cells covered by its line(s) extending in the four directions (up, down, left, right) through the chosen segments.

• Lines cannot enter any other numbered black cell.

• Lines must not intersect or overlap with lines coming from other numbers.

Solved by logic alone; the puzzle has a unique solution.