XV sudoku: an eXcellent Variant

A new variant to the channel: XV sudoku. Adjacent cells that add to ten or five are marked with X or V. See how important it is to remember that any pair NOT marked with X or V does NOT add to ten or five!


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▶ABOUT US◀ Hi! We're Simon Anthony and Mark Goodliffe, two of the UK's most enthusiastic puzzle solvers. We have both represented the UK at the World Sudoku Championships and the World Puzzle Championships. We're also "cryptic crossword" aficionados. Mark is the eleven-time winner of The Times championship and Simon is the former record holder for most consecutive correct solutions to The Listener crossword. We hope we can help your puzzle solving while also introducing you to some of the world's best puzzles. Thank you for watching! Simon and Mark

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