Update tokenizer_config.json

tokenizer_config.json

@@ -122,10 +122,10 @@
   "pad_to_multiple_of": 8,
   "pad_token": "<|padding|>",
   "pad_token_type_id": 0,
-  "padding_side": "right",
+  "padding_side": "left",
   "stride": 0,
   "tokenizer_class": "PreTrainedTokenizer",
-  "truncation_side": "right",
+  "truncation_side": "left",
   "truncation_strategy": "longest_first",
   "unk_token": "<|endoftext|>"
 }