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QQWING(1)							     QQWING(1)

NAME
       qqwing - A tool for generating and solving Sudoku puzzles

SYNOPSIS
       qqwing --generate [OPTIONS...]
       qqwing --solve [OPTIONS...]

DESCRIPTION
       qqwing is a Sudoku puzzle generator and solver. It offers the following
       features:

       · Fast. It can solve 1000 puzzles in 1 second and generate 1000 puzzles
       in 25 seconds.

       ·  Uses	logic.	Uses as many solve techniques as possible when solving
       puzzles rather than guessing.

       · Rates puzzles. Most generators don't give an indication of the diffi‐
       culty of a Sudoku puzzle. QQwing does.

       ·  Can  print  solve instructions. Tells steps that need to be taken to
       solve any puzzle.

       · Customizable output style, including a CSV  style  that  is  easy  to
       import into a database.

OPTIONS
       --generate <num>
	      Generate new puzzles

       --solve
	      Solve all the puzzles from standard input

       --difficulty
	      Generate only simple, easy, intermediate, expert, or any

       --symmetry <sym>
	      Symmetry: none, rotate90, rotate180, mirror, flip, or random

       --puzzle
	      Print the puzzle (default when generating)

       --nopuzzle
	      Do not print the puzzle (default when solving)

       --solution
	      Print the solution (default when solving)

       --nosolution
	      Do not print the solution (default when generating)

       --stats
	      Print statistics about moves used to solve the puzzle

       --nostats
	      Do not print statistics (default)

       --timer
	      Print time to generate or solve each puzzle

       --notimer
	      Do not print solve or generation times (default)

       --count-solutions
	      Count the number of solutions to puzzles

       --nocount-solutions
	      Do not count the number of solutions (default)

       --history
	      Print trial and error used when solving

       --nohistory
	      Do not print trial and error to solve (default)

       --instructions
	      Print the steps (at least 81) needed to solve the puzzle

       --noinstructions
	      Do not print steps to solve (default)

       --log-history
	      Print trial and error to solve as it happens

       --nolog-history
	      Do not print trial and error  to solve as it happens

       --one-line
	      Print puzzles on one line of 81 characters

       --compact
	      Print puzzles on 9 lines of 9 characters

       --readable
	      Print puzzles in human readable form (default)

       --csv  Output CSV format with one line puzzles

       -h, --help
	      Display help message

       --about
	      Display author and license information

       --version
	      Display version number

SEE ALSO
       http://qqwing.com/

				  2014-08-03			     QQWING(1)

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