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Langton's ant: Difference between revisions
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=={{header|REXX}}==
This REXX program automatically justifies (or ''crops'') '''left''' and '''top
<br>Or in other words, the REXX program only shows the pertinent part of the walk-field.
<lang rexx>/*REXX program implements Langton's ant and displays the path it walked.*/
parse arg dir . /*allow specification: ant facing*/
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