Normal Sudoku rules apply. Additionally, there are ten colored areas. In each, the two circled digits should be read as a two-digit number. The sum of all digits in an area sums to that number. Numbers do not repeat within a colored area.
Normal Sudoku rules apply. Additionally, there are ten colored areas. In each, the two circled digits should be read as a two-digit number. The sum of all digits in an area sums to that number. Numbers do not repeat within a colored area.