diff --git a/sanity.csv b/sanity.csv
new file mode 100644
index 0000000..8fa5ec3
--- /dev/null
+++ b/sanity.csv
@@ -0,0 +1,8 @@
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+138000557,0,True,True,False,235638435087527
+138000953,0,True,True,False,337429718205079
+138001483,0,True,True,False,22080237281
+138001793,0,True,True,False,1976939441553367
+138002017,0,True,True,False,110125609567
+138000077,0,True,True,False,13746583730190991