Comments on Puzzle #14521: Element 23
By Grace Hueber (gfhueber)
peek at solution solve puzzle
quality: 
difficulty: 
solvability: moderate lookahead?
peek at solution solve puzzle
quality: difficulty: solvability: moderate lookahead?
Puzzle Description:
Vanadium is often used in tools because of its anti-corrosive properties.
#1: Sarah Andrews (sarah) on Jun 18, 2011
nice design
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