Thursday, February 16, 2012

Easy As ABC

Rules :
1) Enter the letters in the given range (In given example A-C), each
    letter exactly once, in all of the rows and columns.
2) One or more cells may remain empty in each Row and Column.
3) The letters outside the grid show which letter you come across
    first from that direction.

Now as the given range is A-C and the number of rows and columns are also 3 so there will be no empty cells.
Whereas if it 4*4 grid and the range was A-C then there would be one empty cell in each row and column and SO-ON.
This rules will get clear after seeing the Example and some practice puzzles.

Example :- (Note that in top right with "-" is the range)
 Unique Solution :- 

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