diff --git a/src/main.rs b/src/main.rs
index 5ba5ff5..6a8386a 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -14,7 +14,7 @@ struct Flags {
    #[arg(long, default_value = "8")]
    threads: i32,
 
-   #[arg(long, default_value = "1.0")]
+   #[arg(long, default_value = "2.0")]
    stream_retain: f32,
    #[arg(long, default_value = "5")]
    stream_step: u64,
@@ -180,12 +180,12 @@ struct AWhisper {
    ack: Option<std::sync::mpsc::SyncSender<bool>>,
 }
 
-#[derive(Clone)]
+#[derive(Clone, Debug)]
 struct Whispered {
    data: Vec<AWhispered>,
 }
 
-#[derive(Clone)]
+#[derive(Clone, Debug)]
 struct AWhispered {
    data: String,
    offset: i64,
@@ -205,7 +205,7 @@ fn new_a_whispered(data: String, start: i64, stop: i64) -> AWhispered {
 }
 
 impl Whispered {
-   fn as_string(&self) -> String {
+   fn to_string(&self) -> String {
       let mut result = "".to_string();
       for i in 0..self.data.len() {
          result = format!("{} {}", result, &self.data[i].data);
@@ -213,21 +213,25 @@ impl Whispered {
       result
    }
 
+   fn before(&self, t: &f32) -> Whispered {
+      let mut result = new_whispered();
+      let end = self.data.iter().map(|x| x.offset + x.length).max().unwrap();
+      let t = (end as f32) - *t;
+      self.data
+         .iter()
+         .filter(|x| ((x.offset + x.length) as f32) <= t)
+         .for_each(|x| result.data.push(x.clone()));
+      eprintln!("before {}: {:?} => {:?}", t, &self.data, &result.data);
+      result
+   }
+
    fn after(&self, t: &f32) -> Whispered {
       let mut result = new_whispered();
       self.data
          .iter()
-         .filter(|x| x.offset as f32 > *t)
-         .for_each(|x| result.data.push(x.clone()));
-      result
-   }
-
-   fn before(&self, t: &f32) -> Whispered {
-      let mut result = new_whispered();
-      self.data
-         .iter()
-         .filter(|x| ((x.offset + x.length) as f32) < *t)
+         .filter(|x| x.offset as f32 >= *t)
          .for_each(|x| result.data.push(x.clone()));
+      eprintln!("after {}: {:?} => {:?}", t, &self.data, &result.data);
       result
    }
 
@@ -243,8 +247,12 @@ struct Handler {
 
 impl Handler {
    fn on_success(&self, result: Whispered) {
-      eprintln!("{}", chrono::Local::now());
-      println!("{}", result.after(&self.head).before(&self.tail).as_string());
+      eprintln!("{}: {:?}", chrono::Local::now(), &result);
+      println!("{}", result
+         .after(&(self.head * 100.0))
+         .before(&(self.tail * 100.0))
+         .to_string(),
+      );
    }
    fn on_error(&self, msg: String) {
       eprintln!("error: {}", msg);