SAT-based solving wins for Binairo, backtracking with constraint propagation wins for Hitori, and both puzzle types get new uniqueness-checked generators.
AI magazine 13(1), 32–32 (1992)
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Taming the Search Space: Solving and Generating Hitori and Binairo Puzzles
SAT-based solving wins for Binairo, backtracking with constraint propagation wins for Hitori, and both puzzle types get new uniqueness-checked generators.