How to arrange shifts reasonably for security guards

Simple full-time morning and middle classes for women; Men are arranged in morning shift, middle shift and night shift. For example, women are divided into 1 and 2, and men are 3, 4, 5, 6, 1 and 3 morning shifts 10 days, 2 and 4 middle shifts 10 days, and 5 and 6 night shifts 10 days; Second, fourth morning shift 10 day, fifth middle shift 10 day, third and sixth night shift 10 day; After 1 and 5 morning shifts 10 days, 2 and 6 middle shifts 10 days, and 3 and 4 night shifts 10 days are exactly one month.