Under VO (EG) 561/2006, what are the strict rules governing the splitting of the mandatory 45-minute driving break?

1. The break can be split into any combination of three 15-minute pauses
2. The break may only be replaced by a first break of at least 15 minutes followed by a second break of at least 30 minutes, distributed over the 4.5-hour driving period
3. The break may be split into a 30-minute pause followed by a 15-minute pause
4. The break can be split into nine 5-minute pauses taken at passenger bus stops