Binary package “gnudoq” in ubuntu xenial

An open source, graphical Su Doku generator and solver with printer support

 GNUDoQ is an open source, graphical Su Doku generator and solver that features
 a powerful Su Doku generator, a Su Doku solver a Puzzle printouts or PDF
 exports.
 This program is based on the excellent work of the GNUDoku team, which
 developed the Su Doku engine behind GNUDoQ.