New challenge for very hard guys http://sudoku1v2.free.fr/Sudoku1%20Challenge%202013_en.php
Only TWINS grids, from 2 to 6 simultaneous grids linked together.
For printing and to be solved during August hollidays:
1. Twins Master Mind , Twins Mult Table – Odd Pair : 2 grids of variant Multiplication Table and Odd Pair linked together, Twins Numeral – Arrow , Twins Battleship - Tiled, Twins Zone and others
Feedback if you like them.
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