C2221333133313331311233132313331333133313331333131133133313113313232331   >>    C222133313331333131123313231333133313331333133313113313331311331323233   <<    C2221333133313331311233132313331333133313331333131133133313113313232333   >>      C2221333133313331311233132313331333133313331333131133133313113313232332   >>