C2221333133313331311233132313331333133313232123313331323323132323321   >>    C222133313331333131123313231333133313331323212331333132332313232332   <<    C2221333133313331311233132313331333133313232123313331323323132323323   >>      C2221333133313331311233132313331333133313232123313331323323132323322   >>