Centipede or Millipede?

Odd noise along the farm track this morning, 98 - 99 - thump. This little soul bumbled past, he has a wooden leg at the back. He was taking a chance as everything from the avian community is feeding chicks at present. He'd keep something furry quiet for a few minutes.

I've seen Hooooog ones in the jungle, always avoid being the dictum. Here's the differences.

One or 'tuther?