<> <> <> <<>> <<>> <> 0 0 1 | X X X X 0 0 1 | X X X X 0 0 0 | X X X X 0 0 0 | X X X X 0 1 0 | X X X X 1 1 0 | X X X X 0 1 0 | X X X X 0 1 0 | X X X X 0 1 0 | X X X X 0 0 0 | X X X X .