( "Bj\xa4Z\xf6\x88\xaf35\x95\xfe?e}D*x\x96\xd3\xa4\xdf]\xcd\xdeL\xed" )
256
base #(list to num)
26
base #(num to list)
lowercase-alphabet
space
left-cons
select
"b"
split
2
chunks
fold-product
    ( "CBT" )
    zip
    unwords
    show-line
m4