Lady Laura 
HilaryYes, and to make it worse, French people always quote phone numbers as a string of two digit numbers, rather than single digits.
Absolutely does my head in, every time
Bodhipaksa@regordane @cmconseils It’s easier to remember a string of numbers that way. Your working memory can generally only hold seven items at a time. If you double up the numbers you’re able to remember longer strings.