diff --git a/onchain/script/backtesting/attacks/il-crystallization-optimal.jsonl b/onchain/script/backtesting/attacks/il-crystallization-optimal.jsonl
new file mode 100644
index 0000000..0f0660b
--- /dev/null
+++ b/onchain/script/backtesting/attacks/il-crystallization-optimal.jsonl
@@ -0,0 +1,3 @@
+{"op":"buy","amount":"31900000000000000000"}
+{"op":"recenter"}
+{"op":"sell","amount":"all","token":"KRK"}