若奇数x是N个不同正奇数之和，且 121<=x<169,那么N最大为多少？

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SQL Error: select id,body,options from ***_enewstiku where sourceid='31555' and id < 2527931 and id<>'2527931' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31555' and id > 2527931 and id<>'2527931' order by id asc limit 5