Introduction - If you have any usage issues, please Google them yourself
Two can play, one number, one guess. A number of people to be good without a repeat number 4 digits, can t let the person know. People can begin to guess. Each guess A number, which is based on the number given A few A few B, including the number of figures show that the location right in front of A number, and B before digital said the number of right and wrong number.