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SUDOKU1 Challenge 2013

TWINS MADNESS

@NKH 1^st August 2013

The First Sudoku1 Challenge is based on Variants type from various SUDOKU Championships. The most difficult ones are Relays and Masked Variants that I appreciate a lot. In relays, a group of cells in first grid is identified, then a group of cells in second grid will include the same values (WoW!).

All this grids have been generated thanks to SUDOKU1 software @NKH that you can find free on the Net sudoku1en.free.fr. It greatly helps to optimize grids to an extreme difficulty.

Takes good time solving those puzzles.

1.      Twins Master Mind : 2 grids of variant Mastermind linked together

2.      Twins Mult Table – Odd Pair : 2 grids of variant Multiplication Table and Odd Pair linked together

3.      Twins Numeral – Arrow : 2 grids of variant Numeral and Arrow linked together

4.      Twins Battleship - Tiled : 2 grids of variant Battleship and Tiled linked together

5.      Twins Zone : 2 grids with colored block having same data, then 3 grids, then 4 grids

6.      Twins Relation : 2 grids having same colored cells, then 2 grids having colored multiple relation cells  

7.      Twins Different 2 by 2 : 6 grids of size 6x6 being different by two

8.      Twins Total: 3 grids on which total per cell is given

9.      Twins Relay : 4 grids of different variants linked by multiple relation cells, then 4 others

10.   Twins Variants Masked : Find the associated variants to the 4 grids, then to the 6 next

 Here after the first grid Mastermind as example.

1  Twin MasterMind

Fill in the 2 grids with digits from 1 to 9 so that each row, column and 3x3-box has exactly one of each digit. Relation between group of cells that have same values are indicated with color circle.