$table->addRow();
$table->addCell(2000, $cellRowSpan)->addText('1', null, $cellHCentered);
$table->addCell(2000, $cellRowSpan)->addText('2', null, $cellHCentered);
$table->addCell(2000, $cellRowSpan)->addText('3', null, $cellHCentered);
$table->addCell(2000, $cellVCentered)->addText('4', null, $cellHCentered);
$table->addCell(2000, $cellVCentered)->addText('5', null, $cellHCentered);
$table->addCell(2000, $cellVCentered)->addText('6', null, $cellHCentered);
$table->addRow();
$table->addCell(null, $cellRowContinue);
$table->addCell(null, $cellRowContinue);
$table->addCell(null, $cellRowContinue);
$table->addCell(2000, $cellVCentered)->addText('4', null, $cellHCentered);
$table->addCell(2000, $cellVCentered)->addText('5', null, $cellHCentered);
$table->addCell(2000, $cellVCentered)->addText('6', null, $cellHCentered);