C222133313331333131123313231333133313331313113313331333131333133311233223311   >>    C22213331333133313112331323133313331333131311331333133313133313331123322331   <<    C222133313331333131123313231333133313331313113313331333131333133311233223313   >>      C222133313331333131123313231333133313331313113313331333131333133311233223312   >>