Fix issues wit Mongolian.

transliterator/tables/data/mongolian_mongol_bichig.yml

@@ -312,16 +312,16 @@ script_to_roman:
     "\u1808": ","
     "\u1809": "."
     "\u180A": "-"
-    "u\1810": "0"
-    "u\1811": "1"
-    "u\1812": "2"
-    "u\1813": "3"
-    "u\1814": "4"
-    "u\1815": "5"
-    "u\1816": "6"
-    "u\1817": "7"
-    "u\1818": "8"
-    "u\1819": "9"
+    "\u1810": "0"
+    "\u1811": "1"
+    "\u1812": "2"
+    "\u1813": "3"
+    "\u1814": "4"
+    "\u1815": "5"
+    "\u1816": "6"
+    "\u1817": "7"
+    "\u1818": "8"
+    "\u1819": "9"
     # Mongolian vowels NOT associated with g/g+dot or k/q
     "\u1820": "a"
     "\u1821": "e"