C222133313331333131123313231333133313331311111211113313331322131311   >>    C22213331333133313112331323133313331333131111121111331333132213131   <<    C222133313331333131123313231333133313331311111211113313331322131313   >>      C222133313331333131123313231333133313331311111211113313331322131312   >>