C313131323331311331322331322331311211331323132311113313231333132332313232111   >>    C31313132333131133132233132233131121133132313231111331323133313233231323211   <<    C313131323331311331322331322331311211331323132311113313231333132332313232113   >>      C313131323331311331322331322331311211331323132311113313231333132332313232112   >>