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For those who is interested in some simulation of 15 to 17 NT with 5 card majors, you can go to the computer output section for some data:-

15 17 5332 shape must have 5 card spades; must have 5 spades or 5 hearts;  must have 5 spades stopper in doubleton; must have 5 spade no stopper in doubleton.

15 17 5332 or 5422 shape must have 5 spades stopper in doubleton; must have 5 spade no stopper in doubleton.