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QQWING(1) FreeBSD General Commands Manual QQWING(1)

qqwing - A tool for generating and solving Sudoku puzzles

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

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 difficulty 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.

--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

http://qqwing.com/
2014-08-03

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