What constitutes a 'regular daily rest period' and how may it be split into two separate periods under Article 4(g) and Article 8(2) of Regulation (EC) No 561/2006?

1. An uninterrupted period of at least 11 hours, or split into two periods: the first at least 3 hours uninterrupted and the second at least 9 hours uninterrupted (total 12 hours)
2. An uninterrupted period of at least 11 hours, or split into two equal periods of at least 5.5 hours each
3. An uninterrupted period of at least 10 hours, or split into 4 hours followed by 7 hours
4. An uninterrupted period of at least 12 hours, or split into two periods of 6 hours each