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Multiples Sudoku (800)
Instruction:
Apply classic sudoku rules. Some numbers are given on the edges between two adjacent cells. Treating those cells as a two-digit number (reading left to right or top to bottom), the two-digit number must be a multiple of the clue. (For example, near a 7 clue, the two digits can be 14, 21, 28, 35,...)
Notes:Variants:
- Follow classic sudoku rules. A two-digit number in every cage (read from left to right or from top to bottom) must be a multiple of number 13. [WSC 2018]