master
# sudoku7.dat # 4 star sudoku (Jackson Hole daily) 7 8 6 0 0 0 5 0 3 0 0 0 0 0 8 0 6 2 0 0 0 0 5 0 0 4 0 3 4 0 0 8 0 0 0 0 0 0 5 0 0 0 4 0 0 0 0 0 0 6 0 0 3 5 0 3 0 0 1 0 0 0 0 6 9 0 8 0 0 0 0 0 8 0 4 0 0 0 1 7 9