Ruby Quiz - Sodoku Solver (#43)Sodoku Solver (#43) Sodokus are simple number puzzles that often appear in various sources of print. The puzzle you are given is a 9 x 9 grid of numbers and blanks, that might look something like this: +-------+-------+-------+ | _ 6 _ | 1 _ 4 | _ 5 _ | | _ _ 8 | 3 _ 5 | 6 _ _ | | 2 _ _ | _ _ _ | _ _ 1 | +-------+-------+-------+ | 8 _ _ | 4 _ 7 | _ _ 6 | | _ _ 6 | _ _ _ | 3 _ _ | | 7 _ _ | 9 _ 1
