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Sudoku Blocks [WPF Sudoku GP 2013]

Posted: Sat 05 Jan, 2019 5:13 pm
by Fred76
12 - sudoku blocks.png
12 - sudoku blocks.png (55.59 KiB) Viewed 734 times
Source: http://www.worldpuzzle.org/files/35/WPF ... Leg_IB.pdf

Too much conceptual?