Add sudoku (600 examples)

README.md

@@ -383,10 +383,10 @@ dataset_info:
     dtype: string
   splits:
   - name: test
-    num_bytes: 1449275
+    num_bytes: 1446800
     num_examples: 600
-  download_size: 292072
-  dataset_size: 1449275
+  download_size: 291709
+  dataset_size: 1446800
 - config_name: time
   features:
   - name: id

sudoku/test-00000-of-00001.parquet

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:63561a4b51f01b569b56cd659c4b58e14a37c4da8d44d6061a96c05135334595
-size 292072
+oid sha256:257ca60c3e1a66973df22a6d8bfc88b64dbb7838ab0992fe2bcced709eb5c245
+size 291709