Update parquet files

cubic2.0_grid64/test/0000.parquet

@@ -1,3 +1,3 @@
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-size 19869713
+oid sha256:48bc95e55dd2b2eb1f2dd79d815395a143710b785141d7840b304e8a55f1e1cc
+size 634

cubic2.0_grid64/train/0000.parquet

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:3ed5ea71314536e4cd7445f596ec5ed90e0b46fe1e2a4aa02e8b5b8c64200d86
-size 99342156
+oid sha256:48bc95e55dd2b2eb1f2dd79d815395a143710b785141d7840b304e8a55f1e1cc
+size 634