Sudoku solver

Contains:

• Simple WinForm GUI.
• Human solving algorithms.
• Computer solving 'Backtracking' algorithm.

All algorithms are implemented for general Sudoku (not only 9x9), but GUI and grid loader support only 9x9 currently.

Human solving algorithms:

• Naked singles
• Hidden singles (Eyeballing)
• Naked pairs
• Hidden pairs

Note: Algorithm names are mostly taken from great site: http://www.sudokuwiki.org/Strategy_Families