Sudoku solver and creator in rust.

Bugz 9a9521d174 Sudoku as library. %!s(int64=2) %!d(string=hai) anos
src 9a9521d174 Sudoku as library. %!s(int64=2) %!d(string=hai) anos
sudoku 9a9521d174 Sudoku as library. %!s(int64=2) %!d(string=hai) anos
.gitignore 7702ed61c9 cargo fmt. %!s(int64=2) %!d(string=hai) anos
Cargo.toml 9a9521d174 Sudoku as library. %!s(int64=2) %!d(string=hai) anos