Dancing Links Sudoku

Jeffrey Melloy

Empty board:

Completed board:

Graph of branching used

P.0,7 = Square in position 0, 7 has no values
R.6-5 = Row 6, cannot place 5
B.8-5 = Block 8, cannot place 5
C.6-5 = Column 6, cannot place 5

Source available: http://www.github.com/jmelloy/dlsudoku/