Under Regulation (EC) No 561/2006, what is the standard maximum daily driving time for a professional truck driver, and how many times per week may it be extended?

1. 9 hours, extendable to 10 hours at most twice in a week
2. 8 hours, extendable to 9 hours at most three times in a week
3. 9 hours, extendable to 11 hours at most once in a week
4. 10 hours, extendable to 12 hours at most twice in a week