Vigilance test with squares

[@naughtyscoty8472]

412 but i think i clicked 3 times on the light square (pressed enter on a blank Excel doc) so id say 409

[@Baron-Ortega]

absolutely ruined by adverts

[@drkmccy]

this is fire 🔥

[@RABSON01]

408 counted by my tiny brain

[@harrisonwalker6902]

I counted 409 dark squares in total (+/-1)

[@adrianmanolescu3825]

409 also!

[@sentinal31]

i made an error after 4mins 19. This is hard