Difficult HyperSudoku-12 Group Puzzle

The grouppuzzles.com Difficult HyperSudoku-12 puzzle for

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 parents and individuals to print for educational and personal developement. Please share this link with friends on social media and email so they can practice as well.

Place each element of the group (0 1 2 3 4 5 6 7 8 9 A B) exactly once in each row, each column, each 4x3 rectangle, each 4x3 inner rectangle, and the 6x2 center elements.

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