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