Saturday, October 27, 2012

Sudoku

    Source: www.sudoku-puzzles.net 
     Sudoku - also known as "Number Place" - is a logic-based, combinatorial number-placement puzzle. The aim of Sudoku is to enter a number from 1 through 9 in each cell of a grid, most frequently a 9×9 grid made up of 3×3 subgrids. Each row, column and region must contain only one instance of each number.
       There are 19 different types of Sudoku.
  • Sudoku
  • Argyle Sudoku
  • Asterisk Sudoku
  • Binario
  • Butterfly Sudoku
  • Center Dot Sudoku
  • Easy as ABC
  • Even-Odd Sudoku
  • Flower Sudoku
  • Futoshiki
  • Girandola Sudoku
  • Hoshi Sudoku
  • Killer Sudoku
  • Samurai Sudoku
  • Mathdoku
  • Sudoku X
  • Tripledoku
  • Twodoku
  • Windowku

Sudoku
     Sudoku - also known as "Number Place" - is a logic-based, combinatorial number-placement puzzle. The aim of Sudoku is to enter a number from 1 through 9 in each cell of a grid, most frequently a 9×9 grid made up of 3×3 subgrids. Each row, column and region must contain only one instance of each number.

_sudoku 

Argyle Sudoku
              This "Argyle Sudoku" is a Sudoku variant  . It contains additional marked diagonals that must also contain the digits 1 through 9 exactly once.

argylesudoku 

 Asterisk Sudoku
            It contains an additional area of nine specially marked cells. Those nine cells must also contain the digits 1 to 9 exactly once.

asterisksudoku 

Binario
       Binairo - also known as "Binary Puzzle", "Takuzu" or "Tohu wa Vohu" - is a logical puzzle played on a square grid. The objective of Binairo is to fill the grid with the numbers 1 and 0. Each row and each column must be unique.
          In addition, there have to be as many "1" as "0" in every row and every column (or one more for odd sized grids) and no more than two cells in a row can contain the same digit.

binairo

Butterfly Sudoku
        The puzzle consists of four 9×9 grids. The numbers must be placed correctly for all four grids.

butterflysudoku 

Center Dot Sudoku
             The central cells of each region form an extra region that must also contain the numbers 1 through 9.This is called Center Dot Sudoku.

centerdotsudoku

Easy as ABC

           Easy as ABC - also known as "ABC End View" or "Last Man Standing" - is a logical puzzle played on a square grid. The objective of Easy as ABC is to fill the grid with the letters A through G (or whatever the grid dimension is). Each row and each column must contain only one instance of each letter. The clues outside the grid show which letter comes across first from that direction.

easyasabc

Even-Odd Sudoku
            In this variant white cells must contain odd digits and gray cells must contain even digits.




evenoddsudoku

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