Sudoku solver and creator in rust.

Steve Thielemann e017fa0b08 Working output (display). %!s(int64=2) %!d(string=hai) anos
src e017fa0b08 Working output (display). %!s(int64=2) %!d(string=hai) anos
Cargo.toml e017fa0b08 Working output (display). %!s(int64=2) %!d(string=hai) anos