Difficult Sudoku-Cornered Group Puzzle | ||
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| Permission is granted to teachers in grades K-12 to print and photocopy these puzzles for use in their classes. Permission is also granted for individuals to print for personal use. All other rights are reserved. | ||
Place each element of the group (1 2 3 4 5 6 7 8 9) exactly once in each row, each column, each 3x3 square, the top left corners of each 3x3 square, the top right corners of each 3x3 square, the bottom left corners of each 3x3 square, and the bottom right corners of each 3x3 square.