<?xml version="1.0" encoding="UTF-8"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema">
  <xs:element name="NumeroDelimitado" type="numero-50-60"/>
  
  <xs:simpleType name="numero-50-60">
    <xs:restriction base="numero-10-100">
      <xs:minInclusive value="50" />
      <xs:maxInclusive value="60" />
    </xs:restriction>  
  </xs:simpleType>
  
  <xs:simpleType name="numero-10-100">
    <xs:restriction base="xs:positiveInteger">
      <xs:minInclusive value="10"/>
      <xs:maxInclusive value="100"/>
    </xs:restriction>
  </xs:simpleType>
</xs:schema>
