Diagonal Irregular Skyscraper Sudoku
Sudoku with outside clues showing how many buildings are visible. Both main diagonals must also contain each digit once. Irregular regions replace the square boxes; each region holds every digit once.
Controls
Solve the sudoku. Each outside number counts the buildings visible from that side; taller buildings hide shorter ones. Both main diagonals must also contain each digit once. Irregular regions replace the square boxes; each region holds every digit once.
Logic · Numbers · Deduction · Grid
Brain training · PuzGo