C2221333133313331311233132313331333132313231311331323132323322121   >>    C222133313331333131123313231333133313231323131133132313232332212   <<    C2221333133313331311233132313331333132313231311331323132323322123   >>      C2221333133313331311233132313331333132313231311331323132323322122   >>