Nickleaton / sudoku

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Detection #145

Open Nickleaton opened 2 years ago

Nickleaton commented 2 years ago

11) Detection

Rules: Follow classic sudoku rules. An arrow in a cell with digit N points to the direction where another digit N can be found. All possible arrows are drawn.

http://wscwpc2018.cz/wp-content/uploads/2018/10/WSC_2018_instruction_booklet_v5.pdf