dist=->a,b{[(b-a)%10,(a-b)%10].min}
$<.map{|l|
d=l.to_i
a,b,c=d/100,d/10%10,d%10
#p d
p [dist[a,b]+dist[a,c], dist[b,a]+dist[b,c], dist[c,a]+dist[c,b]].min
}
Note that non-ascii characters in the above source code will be escaped (such as \x9f).