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Windoku (119)
Instruction:
Apply classic sudoku rules. Each shaded region must also contain each digit from 1-9 exactly once.
Reference:
WPF
(1)
Examples:
WPF Sudoku GP 2015 - Playoffs
(111)
WPF Sudoku GP 2015 - Round 4
(107)
WPF Sudoku GP 2015 - Round 8
(45)
WPF Sudoku GP 2017 - Round 4
(5)
WPF Sudoku GP 2018 - Round 6
(63)
WPF Sudoku GP 2019 - Round 4
(127)
WPF Sudoku GP 2019 - Round 5
(128)
WPF Sudoku GP 2020 - Round 2
(149)
WPF Sudoku GP 2021 - Round 8
(164)
Parent puzzle:
Extra Regions Sudoku
Child puzzles:
Anti-Windoku
Diagonal Windoku