Rules: Follow classic sudoku rules. Four digits around a white circle are placed in an increasing order starting from one of the four cells and
going clockwise. Four digits around a black circle are placed in an increasing order starting from one of the four cells and going
anticlockwise. All possible circles are marked
15) Clockfaces
Rules: Follow classic sudoku rules. Four digits around a white circle are placed in an increasing order starting from one of the four cells and going clockwise. Four digits around a black circle are placed in an increasing order starting from one of the four cells and going anticlockwise. All possible circles are marked
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