Triangular lights form "27" on blackboard, some up and down.
A close up view of a black board with a large number of small triangular lights forming the number "27". The triangular lights vary in size, some of them are pointing up and some are pointing down. You can see more triangular lights that aren't turned on appearing as gray triangles contrasting with the black board overlapping with the lights that are on, the lights that aren't on are forming the number "27" upside down.