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- i = 1;
- $ = "";
- do {
- k = i;
- while(++k <= 9) $ += " ";
- for(y=1;y<i;++y) $ += y;
- for(x=i;x>=1;--x) $ += x;
- $ += "\n";
- } while(++i <= 9);
- alert($);
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