mysql, mariadb mongolian unicode collation

Index.xml

<!-- /usr/share/mysql/charsets/Index.xml -->

<charset name="utf8">
  <family>Unicode</family>
  <description>UTF-8 Unicode</description>
  <alias>utf-8</alias>
  <collation name="utf8_general_ci"     id="33">
   <flag>primary</flag>
   <flag>compiled</flag>
  </collation>
  <collation name="utf8_bin"            id="83">
    <flag>binary</flag>
    <flag>compiled</flag>
  </collation>
  <collation name="utf8_mongolian_ci" id="2001">
    <rules>
      <reset>\u0415</reset><p>\u0401</p>
      <reset>\u0435</reset><p>\u0451</p>
    </rules>
  </collation>
</charset>

<charset name="utf8mb4">
  <family>Unicode</family>
  <description>UTF-8 Unicode</description>
  <alias>utf-8</alias>
  <collation name="utf8mb4_mongolian_ci" id="2002">
    <rules>
      <reset>\u0415</reset><p>\u0401</p>
      <reset>\u0435</reset><p>\u0451</p>
    </rules>
  </collation>
</charset>