(Insta Accounts) The two usernames are duplicates, they look alike, difference is number 4 Duplicate - b64p_ Duplicate - b6pp_ - The two usernames here are duplicates, suitable for you and your friend, they look alike, the difference is a number _3s9p _3s0p - Username look alike, difference is number, suitable for the group _b2c5 _b2c6 _b2c8 - 3 semi-quad usernames _b2x6 _b6hp _b6cp For a suitable trade or for sale, like an old account.