Sudoku Happ Time 1.0

Sudoku is a logic of filling game, game player must use logic and reasoning to the numbers into each, so that each row, each column and each sector (i.e. 3x3 Gucci) with 1 to 9 of all numbers can not be repeated, each puzzle is only one answer. A solved Sudoku is actually a multi - Palace restricted Latin square, because the same number can't appear more than once in the same row, column, or palace.