Update parquet files

gaussian0.1_grid64/test/0000.parquet

@@ -1,3 +1,3 @@
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-size 19869736
+oid sha256:48bc95e55dd2b2eb1f2dd79d815395a143710b785141d7840b304e8a55f1e1cc
+size 634

gaussian0.1_grid64/train/0000.parquet

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:441116c0d5af26c3bec14a201d19556bf801151c55f2f6af016e24d0146f9e9b
-size 99342177
+oid sha256:48bc95e55dd2b2eb1f2dd79d815395a143710b785141d7840b304e8a55f1e1cc
+size 634