It's a rotating roster over 3 weeks. 4 day week Sundays outside.
Rd pattern is as follows
M T Rd Rd Fri Sat Sundays (outside)
M T W T Rd Rd Rd (Sunday)
Rd Rd W T F S Sunday Could be a rest day on the Sunday.
Back to roster above.
So week 2 is a long weekend. You always end the Thursday before long weekend on early and go back on the Wednesday on lates or nights.
Then work the Monday and Tuesday next week lates then after the Wednesday Thursday rest days you go back to earlies.
I don't work any Sundays so not sure what,week they are rostered but it's normally every 3rd week which you can opt out with a weeks notice.