Consider the following algorithm

for

$($

i

$=$

$1$

; i

$<$

$=$

$1\mathrm{.}5$

$*$

n; i

$+$

$+$

$)$

$$ system.out.print

$($

i

$)$

;

for

$($

i

$=$

n; i

$>$

$=$

$1$

; i

$-$

$-$

$)$

system.out.print

$($

i

$)$

;

What is the output when n

$=$

$4$

$$a

$.$

$12344521$

$$b

$.$

$$None of the above

$$c

$.$

$1234564521$

$$d

$.$

$1234564321$