FACS Facial Expression Chart

Create a single image featuring a 7x7 grid of 49 patterns showing facial expressions and their corresponding Hollywood AU codes (Face Action Units). Insert discreet watermark in the lower right corner of the image, vertical text (rotated 90°), written "aipromptlabs.online", Calibri Light font, white color with low opacity (semi-transparent), medium size. Extreme sharpness on the face, fabric texture and typography of the letters. Shot on Canon EOS R5, 50mm f/2.8, studio light.