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QQWING(1)		    General Commands Manual		     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 im-
       port 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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