Single non-exclusive use of the puzzle in a single publication. Lovatts Media retains full copyright of all material.
Binary essential rules provided as txt - Binary Rules.txt
Blank puzzle grid for each of ten Binary puzzles in pdf and eps formats - Binary_TOUGH_xxxx_PUZ.pdf and Binary_TOUGH_xxxx_PUZ.eps
Puzzle solution grid for each of ten Binary puzzles in pdf and eps formats - Binary_TOUGH_xxxx_SOL.pdf and Binary_TOUGH_xxxx_SOL.eps
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