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4-4-4-4-4-4-4-4-4-4-4-4-12-12-12-12-3-3-3-3-3-3-3-3-3-3-3-3-1-1-------------|
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rept

Or...

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10-10-10-10-10-10-10-10-10-10-10-10-14-14-14-14-8-8-8-8-8-8-8-8-8-8-8-8-7-7-|
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rept