C222133313331333131123313231333133313331313113313331333131333133311233222311   >>    C22213331333133313112331323133313331333131311331333133313133313331123322231   <<    C222133313331333131123313231333133313331313113313331333131333133311233222313   >>      C222133313331333131123313231333133313331313113313331333131333133311233222312   >>