on a random string of digits number 123 appears every 1000 digits, 221 every995digits

[raaaid]

probability of getting 123 or 221 is equal IN A 3 DIGIT STRING

probability of getting 221 is bigger than getting 123 in A MILLION DIGIT STRING

this is old and not really related but here as you can veryfy with your browser searcher number 21 appears(with the searcher rules) 10% more than number 11

check yourself dont just believe me

http://www.eveandersson.com/pi/digits/1000000