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