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#!/usr/bin/perl -w

...
    }
}
```

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Benchmark: timing 1000 iterations of global, local...
    global: 14 wallclock secs (13.47 usr +  0.01 sys = 13.48 CPU)
     local: 14 wallclock secs (13.33 usr +  0.02 sys = 13.35 CPU)