t=?-*7+?+
f=->a{a.each_slice(2).map{|a,b|n=*a," "*m=a.map(&:size).max-1,*b
l=n.size/2
s=l/2+1
(s...s+l).map{|i|n[i]=n[i].ljust(m," ")+?|}
n[l]+=t
n}}
s=f[f[f[f[$<.map{|n|[("%12s "+t)%n.chomp]}]]]]
s[0][15][-9,9]="+------- winner!"
puts s