Let\textquotesingle s define the symbol $$\Psi $$ as an operation follows the rules beneath:  ($$1$$) if $$a\textless{}b$$, then $$a\Psi b=a\times b+2$$．  ($$2$$) if $$a\geqslant b$$, then $$a\Psi b=a-b+2$$.  What is the value of $$(14\Psi 13)\Psi 12$$? 
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