* Appeared in AAAI 2017 Workshop - Technical Report, San Francisco,
California USA, pp. 132 - 137, presented at AAAI 2017 conference Access Paper or Ask Questions
* Appears in Proceedings of the 11th International Workshop on Symmetry
in Constraint Satisfaction Problems (SymCon'11). Held alongside the
International Conference on the Principles and Practice of Constraint
Programming (CP 2011). arXiv admin note: text overlap with arXiv:1306.5053 Access Paper or Ask Questions