Why led be is dimmer in pin 2 than in pin 13 ?

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@AWOL, thank a lot for your input but I need that type of that array in order to use "fromLine" parameters.

int PINCommLatch=MachineConfig[fromLine][0];
    int PINData=MachineConfig[fromLine][1];
    int PINClock=MachineConfig[fromLine][2];