C2221333133313331311233132313331333133313331333133313331333131133133322333221   >>    C222133313331333131123313231333133313331333133313331333133313113313332233322   <<    C2221333133313331311233132313331333133313331333133313331333131133133322333223   >>      C2221333133313331311233132313331333133313331333133313331333131133133322333222   >>