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Overlapping Irregular Sudoku (830)
Instruction:
Place the digits from 1 to 9 in every row and column of both overlapping grids and in every bold outlined area for the puzzle as a whole.
Reference:
WPF
(1)
Examples:
WPF Sudoku GP 2019 - Round 1
(124)
Parent puzzle:
Irregular Sudoku
Related puzzles:
Overlapping Sudoku