Consider the following algorithm

j$=1$;

while $($j:$=$n$/2)\{$

i$=1$;

while $($i$<=$j$)\{$

system.out.print$($j $,$ i$)$;

i$++$

$\}$

j$++$;

$\}$

What is the output when n$=6$

a$.112122313232$

b$.112122313233$

c$.112122312233$

d$.$ None of the above