The simplest change I would recommend is to change one of the array definitions. What you have now:
ARRAY nlr_(*) nlr_0-nlr_3;
What it should look like:
ARRAY nlr_ (0:3) nlr_0-nlr_3;
But for the life of me I can't figure out how you are getting values for the CHNG variables and why you want the values that you illustrate. So that question will arise once you get past the errors.
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