ChoOptional DEFINITIONS IMPLICIT TAGS ::= 

BEGIN


Seq1 ::= SEQUENCE 
{
  bool  BOOLEAN,
  int   INTEGER OPTIONAL,
  cho   ChoOpt OPTIONAL
}

Seq2 ::= SEQUENCE 
{
  int   INTEGER OPTIONAL,
  cho   ChoOpt OPTIONAL,
  bool  BOOLEAN
}

Seq3 ::= SEQUENCE 
{
  cho   ChoOpt OPTIONAL,
  int   INTEGER OPTIONAL,
  bool  BOOLEAN
}


ChoOpt ::= CHOICE 
{
  vsCho  VisibleString,
  ocStrCho  OCTET STRING
}


END