private void copySheet(HSSFSheet from, HSSFSheet to) {
HSSFRow firstRow = from.getRow(0);
HSSFRow secondRow = from.getRow(1);
HSSFRow thirdRow = from.getRow(2);
HSSFRow firstRow2 = to.createRow(0);
HSSFRow secondRow2 = to.createRow(1);
HSSFRow thirdRow2 = to.createRow(2);
Iterator iterator = firstRow.cellIterator();
short col = 0;
while(iterator.hasNext())
addCell(firstRow2,