@array1 = (a b c)
@array2 = (a b c)

##</code><code>##

@array1 = (a b c)
@array2 = (a b c d)

##</code><code>##

@array1 = (p d q)
@array2 = (d p q)

##</code><code>##

@array1 = (a b c e)
@array2 = (a b c d)