diff --git a/crates/loro-core/examples/automerge_x100.rs b/crates/loro-core/examples/automerge_x100.rs
new file mode 100644
index 00000000..c75cc276
--- /dev/null
+++ b/crates/loro-core/examples/automerge_x100.rs
@@ -0,0 +1,40 @@
+#[cfg(not(feature = "test_utils"))]
+fn main() {}
+
+#[cfg(feature = "test_utils")]
+fn main() {
+    const RAW_DATA: &[u8; 901823] = include_bytes!("../benches/automerge-paper.json.gz");
+    use std::io::Read;
+
+    use flate2::read::GzDecoder;
+    use loro_core::LoroCore;
+    use serde_json::Value;
+
+    let mut d = GzDecoder::new(&RAW_DATA[..]);
+    let mut s = String::new();
+    d.read_to_string(&mut s).unwrap();
+    let json: Value = serde_json::from_str(&s).unwrap();
+    let txns = json.as_object().unwrap().get("txns");
+    println!("Txn: {}", txns.unwrap().as_array().unwrap().len());
+
+    let mut loro = LoroCore::default();
+    for _ in 0..100 {
+        for (_, txn) in txns.unwrap().as_array().unwrap().iter().enumerate() {
+            let mut text = loro.get_text("text");
+            let patches = txn
+                .as_object()
+                .unwrap()
+                .get("patches")
+                .unwrap()
+                .as_array()
+                .unwrap();
+            for patch in patches {
+                let pos = patch[0].as_u64().unwrap() as usize;
+                let del_here = patch[1].as_u64().unwrap() as usize;
+                let ins_content = patch[2].as_str().unwrap();
+                text.delete(&loro, pos, del_here).unwrap();
+                text.insert(&loro, pos, ins_content).unwrap();
+            }
+        }
+    }
+}