Version I: (please forgive the formatting)
#!perl
&ld() ;$c =~ y| A-Za-z0-9+/| -_|; $a =
join "\n",map {$_=join'',map { $b= ord (
$_) ; join"", map{$b=int($b/ 3);$b %3; }
(0..4 );}split( //,$_);}(split (/\n/ ,join
'' , map(unpack ("u", chr(32 +3/4* length
($_)) . $_) ,#AAA PPPPP PPPPPP HHHHH HHHHH
#JJJJ AAAA AAAA PPPPP PPPPPP HHHHHHHHHHHHHHHH
#JJJJ AAAA AAAA PPPPP PPPPPP HHHHHHHHHHHHHHHH
#JJJJ AAAAA AAAAA PPPPPPPPPPPPPP HHHHHHHHHHHHHHHH
#JJJJ AAAAA AAAAA PPPPPPPPPPPPP HHHHHHHHHHHHHHHH
$c =~ /(.{1,60})/gs )));$a=~y|ab 012|a #/|;
print $a;#J AAAAAAAAAAAAAAA PPPPPPPPPPP HHHHH HHHHH
#JJJJJ JJJJJJ AAAAAAAAAAAAAAA PPPPP HHHHH HHHHH
#JJJJJJJJJJJ AAAAAAAAAAAAAAAAA PPPPP HHHHH HHHHH
#JJJJJJJJJJJ AAAAA AAAAA PPPPP HHHHH HHHHH
#JJJJJJJJJ AAAAA AAAAA PPPPP HHHHH HHHHH
#JJJJJ AAAAA AAAAA PPPPP HHHHH HHHHH
sub ld
{
$c="
AG xe A
QoAe Yg 6 C
q K j Y xY A
A A A A AF
E KN
jY G B AAA AAA AbAo AEg
IA A AA AAA B s Cg B d AQAE KA
B +A X go Cg B d A QA Md
R Jy O nk N C qJ eA
QA M bA d VFm wK
Nl 4 BA A xR Ug
0A b Ao A XQ EA
DF E BJ w BsC gB dA
Q A MUQ FsA W w KAF0 B AA
xR A QA Nb Ao AXQ E
ADKI B
K Q xs
C
g
B
U A
AB 1
Q6 Z
4B m wKJ KIAA GwN DHUC UQE K e D YK Vx UKA
g Q K A AEK AAo A A AA A AAAA AA A S Cg A A A AAAAAAAAA
c KAA AA AA A A AF EA BA oAA A AA AA AAb
A AE Cg A A A AA A AA B sAA QK
h wQ ne w B + AX g op gSHA Q0 pC
m Om dX c T c jd 5 DT oNYw T Je
A YK Bk N s b Ad T Fm w AF
i cG DS R 1 A go E DG xRU g EE
bAAE JA Qn J A oEDG xR U gE EbAA EJ HkN
JAo ED G x RU gEEb A AE JH kEJ A oE
D
G
x
RU gE E bA
AEJA QA J A o
E D 2 x R U
g E E bAA E
J Cg 2
JA p 4J mx SB HkB b
AA E JH g W d Qp1b FEED X g
A UQ E M J HU Eb AEK A
A AA A A A AAA AA A
BI K AAAA AAAA AA AA A
AY K AAAA AAAA A AA A
AA I K AA A
AA A AAA A AA o
go A CgBs Xg EAA AA A
bA EK A HmI B AA AAA
BR B A
qio 2
MEA AA
A A
F E
B Cj Y2B
i cA AAA
A AA QK
A BI CJ
A A A AA A A BA oA XQE khw EN KQ A EC
g B dA S R j B M l4 Bg QKo l4B E gY N JH U CB
Ao 2Xg E GBC c kAAA ECg B d eQ J 5DS QA
A AQ K AF 15 AH k EJ A A A BA
o AX Q EA BA Ak A AA ECgB d AQ
A oN i QA AA QK A F0 BAHg W dQA
A rw o MX QE AdQ Rs AQ B CC
g 2l C ic 2Cn U WC lEE Cg A K E
g AA AAAA og oHA AAA AA A/A A A AAAA AJ w
oE AA AAA AA kA AA AA AA AdQo EAA AA
A A
A
k
AAAAAAAAbAoEAAAAAAAkAAAAAAAAbAqmBIcEog0kKgAqbIgEbAo6DWOmNg0
mdwB3UWevbAoWJwZDEsnGNqJsAQRDbAoEJAQMDAAkEmxRBAQAbAoEJAQMDAAkBmx5AQQA
bAoEJAQMDAAkBGx5AAQAbBMKBCQEDAwAdQ1sAAAEAFEHCgQkBA8noiQnbAQGBAoEJHgmd
UMkdVd5Ag0AUQoMJHVsbA1sbAJ5ACcAbAEKABIAAAAAAAAAAAAAAFEKAAYKAAIKog
";
$c=~s/\s//g;
}