perl puzzle solver
Input sizes: 9x9 with characters 1-9 16x16 with characters A-P 25x25 with characters A-Y 36x36 with characters 0-9,A-Z
The 36x36 grid is adapted to the current character set from http://sudoku-drucken.de/36x36-sudoku-drucken-extrem-schwer-killer
To get one solution: ./solve.plx 16x16_three_solutions
To get every solution use "-a": ./solve.plx -a 16x16_three_solutions
The "perllib" directory should be in the same directory as "solve.plx".