Sudoku types for month August 2012

There will be 4 Classic Sudokus in Round1.
The variations in Round2 in this month are Irregular Sudoku, Odd Even Sudoku, NonConsecutive Sudoku, Diagonal Sudoku,
Rules and examples are provided below.

Author

Sudokus for August 2012 are written By Deb Mohanty

Classic Sudoku

Place the digits 1 through 9 into the empty cells in the grid so that each digit appears exactly once in each of the rows, columns, and bold outlined 3X3 boxes.

Answer key for the above Sudoku is : 416978325, 327186459

Irregular Sudoku

Every digit from 1 through 7 has to appear exactly once in every row, every column, and outlined regions. Each outlined region has 7 cells and is marked by thick borders.

Odd Even Sudoku

Apply Classic Sudoku rules.
All shaded cells must contain even digits. All white cells must contain odd digits.

NonConsecutive Sudoku

Apply Classic Sudoku rules.
Horizontally or vertically adjacent cells cannot contain consecutive digits.

Diagonal Sudoku

Place the digits 1 through 9 into the empty cells in the grid so that each digit appears exactly once in each of the rows, columns, bold outlined 3X3 boxes, and every diagonal marked by lines.

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