If you want to get fancy, “Curious”s tic-tac-toe board on the original HTML thread used WWI RAF roundels vs. Luftwaffe iron crosses:
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.____, | |
. / , | |
|'- -'| | |
|,- -.| | |
' /__ ' | |
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_____________|____________|_______________
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_____________|____________|_______________
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.____, | | ____
. / , | | ,' __ '.
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' /__ ' | | '.__,' /
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