C222133313331333131123313231333133313331311111211113313331323321111331323223311   >>    C22213331333133313112331323133313331333131111121111331333132332111133132322331   <<    C222133313331333131123313231333133313331311111211113313331323321111331323223313   >>      C222133313331333131123313231333133313331311111211113313331323321111331323223312   >>