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How to make $2012$ by using $2, 0, 1, 2$?
Allowed Operations:
Addition, Subtraction, Multiplication, Division, $!$(factorial), subfactorial(ex. $!n$), primorial, square root($\sqrt{}$), exponation ($a^{b}$), double factorial ($n!!$), triple factorial($n!!!$), concatenation(ex. $20, 12$, but $20$,...