Consider the following code in C syntax and assume stack memory allocation for nested scope is used: # include int $*$x; $//$memory m$1$ int $**$y; $//$memory m$2$ int main$()\{$ x $=($int$*)$ malloc$($sizeof$($int$))$; $//$memory m$3$ y $=$ &x; $//$memory m$4\{$ int $***$z; $//$memory m$5$ z $=($int $***)$ malloc $($sizeof $($int $**))$; $//$memory m$6*$z $=$ y; $//$ Location $1\}$ int$**$ a; $//$memory m$7$ a $=$ y; y $=($int$**)$ malloc$($sizeof$($int$*))$; $//$memory m$8*$y $=*$a; $//$ Location $2$ return $0$; $\}1.$ Draw the box and circle diagram at Location $1.2.$ The sets of aliases at Location $1$ are: $3.$ Draw the box and circle diagram at Location $2.4.$ The sets of aliases at Location $2$ are: