Update processing state: next_index=321

processing_state2.json

@@ -320,6 +320,7 @@
     "files/512_GESNUKAE.part3.rar": "processed",
     "files/513_ZOLOKTER.part1.rar": "processed",
     "files/514_ZOLOKTER.part2.rar": "failed",
-    "files/515_TAZOLKISC.part1.rar": "processed"
+    "files/515_TAZOLKISC.part1.rar": "processed",
+    "files/516_TAZOLKISC.part2.rar": "processing"
   }
 }