Complex sentence: During the final seven weeks of the first daytime version (April 26--June 11,1976), the main game was known as "Face Lifters"; the digits were arranged in a 3x3 grid and concealed a picture of a famous person.
Split into simpler sentences: During the final seven weeks of the first daytime version (April 26--June 11,1976), the main game was known as "Face Lifters". Digits were arranged in a 3 × 3 grid and concealed a picture of a famous person.