Advice needed- close crumb on top of loaves

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Hello! I was hoping to get some advice on my loaves. I think that my loaves turned out pretty well except for at the top, where the crumb is very dense. Can anyone help me with this problem? Could this be due to overshaping?

 

 

 

 

 

 

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They hit the top of your dutch oven. See how the top is flat? Make your loaves a tad smaller so they have enough room to spring.