public function iterationStart(Iteration $iteration)
{
if ($this->currentLine != ($yPos = $this->getYPos($iteration))) {
$downMovement = $yPos - $this->currentLine;
$this->output->write("[" . $downMovement . 'B');
$this->currentLine = $yPos;
}
$time = $this->formatIterationTime($iteration);
$this->output->write(sprintf("[" . $this->getXPos($iteration) . 'G<bg=green>%s</>', $time));
}