C111123313121111121111331333133313331333131322113121111331223231   >>    C11112331312111112111133133313331333133313132211312111133122323   <<    C111123313121111121111331333133313331333131322113121111331223233   >>      C111123313121111121111331333133313331333131322113121111331223232   >>