The number of points of discontinuity of $g\left(x\right)=f\left(f\left(x\right)\right)$ where $f\left(x\right)$ is defined as, $f\left(x\right)=\{1+x,0\le x\le 23-x,2<x\le 3$$0$ b. $1$ c. $2$ d. $>2$

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