Puzzle No. 380 : Average Sudoku

 

RULES: Classic Sudoku rules apply. A digit in a circle is the average of the digits in all cells connected to it with a line.

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PUZZLE NO. 379: REGION SUM LINES SUDOKU

 

RULES: Classic Sudoku rules apply. For each line, digits on the line have an equal sum N within each box it passes through. If a line passes through the same box more than once, each individual segment of such a line within that box sums to N separately.

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PUZZLE NO. 378 : KILLER - OUTSIDE HYBRID SUDOKU

 

RULES : Classic Sudoku rules apply. There are some cages in the grid. The number on the top left corner of each cage is equal to the sum of the digits in that cage. Digits do not repeat in a cage. Additionally, the digits outside the grid must appear in one of the first three cells seen from that edge of the grid.

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PUZZLE NO. 377 : FIRST SEEN ODD/EVEN SUDOKU

 

RULES: Classic Sudoku rules apply. Clues adjacent to a row or column give the first odd (if the clue is odd) or first even (if the clue is even) digit in that row or column from the direction of the clue.

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PUZZLE NO. 376 : MINUS SUDOKU

 

RULES : Classic Sudoku rules apply. A grey horizontal or vertical bar symbol in a cell indicates that the digit in the cell is equal to the difference of its horizontal or vertical neighbours. Not all possible bars are marked, i.e. cells without a bar may or may not indicate the difference of its horizontal or vertical neighbours. 

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