instead he walked into a calm , ordered world thoughtfully lined with rows of desks with dividers so each desk became a cubicle , with documents stacked up high but divided with colour-coded pieces of card , trays housing papers that needed to be marked or were done and had to be given out the next day , timetables pinned to the cubicle walls , diaries carefully positioned on the desks , mugs hanging from hooks above the sink and boxes with documents carefully organised.. order .