You are an EHK. You are preparing a work plan for the HK department. You are asked to make a work schedule within a period of 1 month, assuming January 2022. The total rooms are 188 rooms with 12 floors consisting of 10 rooms, 1 lobby, and 1 basement. The occupancy rate is 85%, and has 4 supervisors, 15 room attendants, 5 relief teams and all must represent all departments in housekeeping. The general manager limits working hours to the nature of 5:2 and no supervisor can be off at the same time. Evening shift and night shift are only given for 2 people. Please make a work schedule according to the rules above.