A machine started printing posters at $$9.00 \rm a.m.$$ on Monday at the rate of $$1000$$ posters per hour. After every $$6$$ hours of printing, it was paused for an hour. How many posters were printed by $$\rm 11.00 a.m$$. the next day? 
选项为:A:$$20000$$  B:$$22000$$  C:$$23000$$  D:$$26000$$  请回答其中一个选项.