Description
Grades puzzle is a logic puzzle game.
Fill numbers in some cells of a grid with size of 8x8 or 12x12 that satisfy rules:
+ No two horizontally, vertically or diagonally adjacent cells contain a digit
+ The numbers across the top of the grid indicates or count the total of numbers in the according columns.
+ The numbers down the left of the grid indicates or count the total of numbers in the according rows.
+ The numbers across the bottom of the grid are the sum of numbers in the according columns.
+ The numbers down the right of the grid are the sum of numbers in the according rows.
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