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2.8 by David Brahm, 3 years ago
Browse source code at https://github.com/cran/sudoku
Authors: David Brahm <brahm@alum.mit.edu> and Greg Snow <Greg.Snow@intermountainmail.org> , with contributions from Curt Seeliger <Seeliger.Curt@epamail.epa.gov> and Henrik Bengtsson <hb@maths.lth.se>.
Documentation: PDF Manual
GPL license
Suggests tkrplot
Suggested by sudokuAlt.
See at CRAN