C2221333133313331311233132313331333133313232123313331333131133121121   >>    C222133313331333131123313231333133313331323212331333133313113312112   <<    C2221333133313331311233132313331333133313232123313331333131133121123   >>      C2221333133313331311233132313331333133313232123313331333131133121122   >>