Sudoku Time is a classic logical puzzle with combinatorics of numbers. The goal of the puzzle is to fill in the empty cells with numbers from 1 to 9 so that in each row, in each column, and in each small square (region) 3 × 3, each digit occurs only once. Each puzzle has only one solution!

Sudoku Time is a classic logical puzzle with combinatorics of numbers. The goal of the puzzle is to fill in the empty cells with numbers from 1 to 9 so that in each row, in each column, and in each small square (region) 3 × 3, each digit occurs only once. Each puzzle has only one solution!