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- Normal Sudoku rules apply, i.e. place the digits from 1 to 9 once in each Row, Column, and 3x3 region. - Arrows: Digits on an arrow must sum to the digit in the circle from which it emerges. - Counting Arrow Circles: A digit in an arrow’s circle indicates exactly how many arrow circles contain this digit.
Eighteen Arrows [Turn 4 TSL2]
By sujoyku
- Normal Sudoku rules apply, i.e. place the digits from 1 to 9 once in each Row, Column, and 3x3 region. - Arrows: Digits on an arrow must sum to the digit in the circle from which it emerges. - Counting Arrow Circles: A digit in an arrow’s circle indicates exactly how many arrow circles contain this digit.