I don't know. It's hard to get all the storages and mortars protected with that design. You might have to either sacrifice your gold, elixir or half of each or two of the mortars or change the design altogether. :(
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Most town hall 7 bases can't take town hall 8 farmers with lvl 5 troops and such. You are also in crystal so people might 3 star you for trophies and stuff like that. Anyways here are my tips for a good base!
1. Let wizard towers protect at least 1 storage 2 will be great too!
2. Centralized clan castle ( which you have)
3. Good use of traps
Other than that your base is good!
I think the original was better.
The storages are well protected and the mortars are spread out and it's range can cover most of the base.
The he newest one is good because of the mortars but the main thing is the storages which are quite exposed and easily taken out.
However no th7 base can withstand a full-on th8 attack with GoWiPe, mass dragon or hog, it should defend well against a th7 and a low lvl th8