Today, am not getting 2 positives on the same line. But am still getting two zeros when running the solution posted by BrowserUk.

...
At printer 0 0
...
At printer 0 0
...
At printer 0 0
...
At printer 0 0
...

[download]

The OP does not mention if this is valid. Therefore, maybe okay.

In reply to Re^11: Threads sharing global variable (disingenous) by Anonymous Monk
in thread Threads sharing global variable by Anonymous Monk

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