Symbol Golf - Musical Score 2

Thanks to 記号ゴルファーΩ, code I posted on Musical Score reduces its size to 234:

_=''
$<.map{|$_|_<<chomp}
k=a.size/12
(0...k).map{|i|$_=' '*12
(0..11).map{|j|$_[j]=_[k*j+i]}
($-=(~/\|/);$><<"FEDCBAGFE"[$_.index('o')-3,1])if i%4==0
$><<(~/\\{3}/?"/32":~/\\{2}/?"/16":~/\\{1}/?"/8":$-?"/4":'')+' 'if i%4==1}


Here's anatomy of Symbol Golfing.
Read stdin to a variable "_"

$<.map{|_|..}

Write the content of variable "_" to stdout

$><<_

A list of astonishing Super Golfers: