Under Ministry of Public Security Order No. 162 and the PRC Road Traffic Safety Law, what are the maximum continuous driving hours and minimum mandatory rest duration for heavy commercial vehicle drivers?

1. Maximum 4 hours of continuous driving, followed by a mandatory rest stop of at least 20 minutes
2. Maximum 6 hours of continuous driving, followed by a mandatory rest stop of at least 10 minutes
3. Maximum 8 hours of continuous driving, followed by a mandatory rest stop of at least 15 minutes
4. Maximum 5 hours of continuous driving, followed by a mandatory rest stop of at least 30 minutes