gets$/*2 b=[*$<] j=0 $_.map{|c|c.split.map{|v|i=0 b.map{|d|d.gsub(/\d+/){($*[j+i]||="")<<"%5s"%eval("#$&*"+v)};i+=1}} j+=b.size} puts$*
Note that non-ascii characters in the above source code will be escaped (such as \x9f).
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