23:21 >perl 2004_SoPW.pl
Outer: $_ = A
    Inner: $_ = 10
    Inner: $_ = 11
    Inner: $_ = 12
Outer: $_ = A
Outer: $_ = B
    Inner: $_ = 10
    Inner: $_ = 11
    Inner: $_ = 12
Outer: $_ = B
Outer: $_ = C
    Inner: $_ = 10
    Inner: $_ = 11
    Inner: $_ = 12
Outer: $_ = C

23:22 >