Rest of 45h between week 1 and 2: mandatory between weeks, even 1 minute.
Rest of 45h between week 4 and 5: mandatory between weeks, even 1 minute.
Between them, you must have at least enough rest periods of 24h to enusre that there is not more than 144h (6 days) between them. If any of these rest periods are 45 hours, the police could insist that they are taken out of the cabin; if the rest period is less than 45 hours NO.