I read this right? A pedo hid in Thailand for decades and possibly abused more kids and now that's old and sick, come back to his country in order to get end of life care
I would have guessed the right scale was inches over 6 ft starting at the first 6. It is divided into sets of 3. We can't tell if there are four sets marked 6 before we get to 7, but it's a reasonable guess.
However, if he's 167cm, he is only 5 feet 5 inches, so I dunno what's going on here.