Traditional Culture Encyclopedia - Hotel accommodation - Security shift schedule, 4 people, 8: 00 am to 8: 00 pm, 8: 00 pm to 8: 00 am, 2 people in each shift, take a break, how to shift?

Security shift schedule, 4 people, 8: 00 am to 8: 00 pm, 8: 00 pm to 8: 00 am, 2 people in each shift, take a break, how to shift?

ABCD4 people,

Day 1: day shift AB night shift CD

The next day: day shift AC night shift BD

Day 3: Day shift and night shift

Day 4: day shift AC night shift BD

Day 5: day shift BC night shift DA