⬛⬜⬜⬛⬜⬛⬜⬛ ⬛⬜⬜⬛⬜⬛⬛⬜ ⬛⬜⬜⬜⬜⬛⬛⬛ ⬛⬜⬜⬛⬜⬛⬛⬜ ⬛⬜⬜⬛⬜⬜⬜⬛ ⬛⬜⬜⬜⬛⬜⬜⬜ ⬛⬜⬜⬛⬛⬛⬛⬜