[ PROGRAM [ main program name ] ] declaration of local objects ... executable stmts ... [ CONTAINS internal procedure definitions ] END [ PROGRAM [ main program name ] ]
declaration of local objects
...
executable stmts
[ CONTAINS
internal procedure definitions ]
END [ PROGRAM [ main program name ] ]
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main program name 
] ]
declaration of local objects
executable stmts
internal procedure definitions ]
main program name ] ]
