a64l ("./")	OK
l64a (64)	OK
a64l ("")	OK
l64a (0)	OK
a64l ("/")	OK
l64a (1)	OK
a64l ("FT")	OK
l64a (2001)	OK
a64l ("zzzzz1")	OK
l64a (4294967295)	OK
a64l ("zzzz1")	OK
l64a (67108863)	OK
a64l ("zzz1")	OK
l64a (1048575)	OK
a64l ("zz1")	OK
l64a (16383)	OK
a64l ("z1")	OK
l64a (255)	OK
a64l ("1")	OK
l64a (3)	OK