C222133313331333131123313231333133313331333132112323133313232313222211   >>    C22213331333133313112331323133313331333133313211232313331323231322221   <<    C222133313331333131123313231333133313331333132112323133313232313222213   >>      C222133313331333131123313231333133313331333132112323133313232313222212   >>