Syntax:
First line: year month day nweeks
Other lines: day timestart length startrandomize endrandomize
2013 4 29 8 Monday 13:45 3:45 5 45 Tuesday 13:45 3:45 5 45 Wednesday 13:45 3:45 5 45 Thursday 8:45 3:45 20 5 Friday 8:45 3:45 20 5