Element row = rows.get(ri);
Elements cells = row.select("td");
for(int ci=0;ci<cells.size();ci++){
Element cell = cells.get(ci);
// System.out.println(cell.toString());
if(!org.apache.commons.lang.StringUtils.isBlank(cell.text())){
if(cell.hasAttr("formula")){
System.out.printf("%d %d %d (Formula[%s]) %s\n",si,ri,ci,cell.attr("formula"),cell.text());
}else{
System.out.printf("%d %d %d (Normal ) %s\n",si,ri,ci,cell.text());
}