C2221333133313331311233132313331333133313331333133313331311331323223321   >>    C222133313331333131123313231333133313331333133313331333131133132322332   <<    C2221333133313331311233132313331333133313331333133313331311331323223323   >>      C2221333133313331311233132313331333133313331333133313331311331323223322   >>