C2221333133313331311233132313331333133313331323232133313113313123231311211   >>    C222133313331333131123313231333133313331333132323213331311331312323131121   <<    C2221333133313331311233132313331333133313331323232133313113313123231311213   >>      C2221333133313331311233132313331333133313331323232133313113313123231311212   >>