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XV Sudoku (98)

Other names: Sudoku XV

Instruction:

Apply classic sudoku rules. Adjacent cells containing digits summing to 5 are marked with a "V"; adjacent cells containing containing digits summing to 10 are marked with an "X". Adjacent cells with no marking must not contain digits summing to 5 or 10.

Reference: WPF (1)

Examples:

WPF Sudoku GP 2015 - Playoffs (111)

WPF Sudoku GP 2015 - Round 1 (13)

WPF Sudoku GP 2015 - Round 6 (109)

WPF Sudoku GP 2016 - Round 2 (99)

WPF Sudoku GP 2016 - Round 3 (100)

WPF Sudoku GP 2017 - Playoffs (97)

WPF Sudoku GP 2017 - Round 1 (2)

WPF Sudoku GP 2024 - Round 1 (197)

WPF Sudoku GP 2024 - Round 2 (198)

WPF Sudoku GP 2024 - Round 7 (203)

Parent puzzle:
Neighbor Sums Sudoku