Matrix Product by rotary-o

for(s<-""++io.Source.stdin split"\n\n";a=s split'\n'map(_ split' ');n=a.size-1;r=0 to n){for(b<-a;i<-r)print("">b(j).toInt*a(j)(n+2+i).toInt).sum+" \n"(i/n))

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