C222133313331333131123313231333133313331333132332111112111111331333132311   >>    C22213331333133313112331323133313331333133313233211111211111133133313231   <<    C222133313331333131123313231333133313331333132332111112111111331333132313   >>      C222133313331333131123313231333133313331333132332111112111111331333132312   >>