for(p=0;l=readline(s=t='');print(p?s+'\n'+t:t),p=l)for(i=0;c=l[i];t+=d=c)s+=(s&&' ')+'V^'[p[i++]<c|0],t+=t?d<c?' < ':' > ':t
Note that non-ascii characters in the above source code will be escaped (such as \x9f).
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