Medium Sudoku XV Puzzles
Sudoku XV is a variation of standard Sudoku with 'V' and 'X' Roman numeral markers. All pairs of touching squares which add up to a total of 5 or 10 are marked with a 'V' or 'X' respectively.
If there is no 'V' or 'X' between two touching squares then they do not add up to 5 or 10.
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Sudoku XV - Medium - 1
Sudoku XV - Medium - 3
Sudoku XV - Medium - 2
Sudoku XV - Medium - 10
Sudoku XV - Medium - 7
Sudoku XV - Medium - 9
Sudoku XV - Medium - 6
Sudoku XV - Medium - 5
Sudoku XV - Medium - 8
Sudoku XV - Medium - 4
The Sudoku XV imposes extra rules in addition to classic Sudoku puzzles like each row, column, and 3x3 subgrid must contain the digits 1 through 9 without repetition.
X Rule: If two adjacent cells (horizontally or vertically) have an "X" between them, their values must sum to 10. For example, if two cells are marked with an "X" between them, valid pairs could be (1, 9), (2, 8), (3, 7), (4, 6), and (5, 5).
V Rule: If two adjacent cells have a "V" between them, their values must sum to 5. Valid pairs include (1, 4) and (2, 3).
No X or V Marking: If two adjacent cells do not have an "X" or a "V" between them, their values cannot sum to 10 or 5.
