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#!perl
# labir.pl -- maze generator
...
    print "\n";
}
__END__

+-------+---+---+-----+---+-----+-+-+-----+-------+-+-+---+---------+-
++
|@      |   |   |     |   |     | | |     |       | | |   |         | 
+|
...
+-+ +-- --+---+-+ +-+-- +-+-- --+-+-- | | | | +-+ +-+-+-+ --+ +-+-+-+ 
+|
| |       |     | | |   | |     | |   |   | |   | | | | |   | | | | | 
+>
+-+-------+-----+-+-+---+-+-----+-+---+---+-+---+-+-+-+-+---+-+-+-+-+-
++