Introduction - If you have any usage issues, please Google them yourself
Is equipped with n personally to encircle makes, presently
starts from some person to count off, leaves ranks the number to the m
person, meets from the next person which leaves ranks is starting reto
count off, leaves ranks the number to the m person, continue like
this, all leaves ranks until all people. Using circulates Shan
Lianbiao to solve the Joseph link problem.