Upload four-cubes shard 00

cubes-00.txt

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:5cf710a55d1c9f4c3624c1a35e2d69682f7db3aec7f656b38c8bd23b902a6b1a
-size 521631536
+oid sha256:ac71c6eb3be1767972c6142b9fdd5c29d2bdbe51e28c29a179be5ee99ba0ac69
+size 510109247