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Quoted By: >>6708493 >>6708509 >>6708527 >>6708536 >>6708558 >>6708578 >>6708610 >>6708617 >>6708648 >>6709640 >>6709925 >>6709986 >>6710220 >>6711394 >>6711510 >>6711576 >>6713266 >>6715785 >>6717179 >>6718148
why are they a stable? what unites them?