规则657的CA第一阶段阶段0x第1阶段x。x. . .x。x第2阶段x x x xx。xx。x。xx。xx x x x第3阶段x x x x x x x xx x x x x x x xx x x x x x x xx x x。x x xx x x x x x x xx x x x x x x xx x x x x x x x第4阶段x x x x x x x x x x xx x x x x x x x x x xx x x x x x x x x x xx x x x x x x x x x xx x x x。x x x xx x x x x x x x x x xx x x x x x x x x x xx x x x x x x x x x xx x x x x x x x x x x第5阶段x x x xx x x xx x x xx x x xx x x xx x x x。x x x xx x x xx x x xx x x xx x x xx x x x第6阶段x x x xx x x xx x x xx x x xx x x xx x x xx x x x。x x x xx x x xx x x xx x x xx x x xx x x xx x x x第7阶段x x x xx x x xx x x xx x x xx x x xx x x xx x x xx x x x x x x x。x x x x x x x xx x x xx x x xx x x xx x x xx x x xx x x xx x x x第8阶段x x x xx x x xx x x xx x x xx x x xx x x xx x x xx x x xx x x x。x x x x x x x xx x x xx x x xx x x xx x x xx x x xx x x xx x x xx x x x第9阶段x x x xx x x xx x x xx x x xx x x xx x x xx x x xx x x xx x x xx x x x。x x x x x x x x x x xx x x xx x x xx x x xx x x xx x x xx x x xx x x xx x x xx x x x第10阶段x x x x x x x x x x x x x x x x x x x x x x x x x x x x xx x x x x x x x x x x x x x x x x x x x x x x x x x x x xx x x x x x x x x x x x x x x x x x x x x x x x x x x x xx x x x x x x x x x x x x x x x x x x x x x x x x x x x xx x x x x x x x x x x x x x x x x x x x x x x x x x x x xx x x x x x x x x x x x x x x x x x x x x x x x x x x x xx x x x x x x x x x x x x x x x x x x x x x x x x x x x xx x x x x x x x x x x x x x x x x x x x x x x x x x x x xx x x x x x x x x x x x x x x x x x x x x x x x x x x x xx x x x x x x x x x x x x x x x x x x x x x x x x x x x xx x x x x x x x x x x x x。x x x xx x x x x x x x x x x x x x x x x x x x x x x x x x x x xx x x x x x x x x x x x x x x x x x x x x x x x x x x x xx x x x x x x x x x x x x x x x x x x x x x x x x x x x xx x x x x x x x x x x x x x x x x x x x x x x x x x x x xx x x x x x x x x x x x x x x x x x x x x x x x x x x x xx x x x x x x x x x x x x x x x x x x x x x x x x x x x xx x x x x x x x x x x x x x x x x x x x x x x x x x x x xx x x x x x x x x x x x x x x x x x x x x x x x x x x x xx x x x x x x x x x x x x x x x x x x x x x x x x x x x xx x x x x x x x x x x x x x x x x x x x x x x x x x x x x第11阶段x x x xx x x xx x x xx x x xx x x xx x x xx x x xx x x xx x x xx x x xx x x xx x x x。x x x xx x x xx x x xx x x xx x x xx x x xx x x xx x x xx x x xx x x xx x x xx x x x第12阶段x x x xx x x xx x x xx x x xx x x xx x x xx x x xx x x xx x x xx x x xx x x xx x x xx x x x。x x x xx x x xx x x xx x x xx x x xx x x xx x x xx x x xx x x xx x x xx x x xx x x xx x x x第13阶段x x x xx x x xx x x xx x x xx x x xx x x xx x x xx x x xx x x xx x x xx x x xx x x xx x x xx x x x x x x x x x x x x x x x x。x x x xx x x xx x x xx x x xx x x xx x x xx x x xx x x xx x x xx x x xx x x xx x x xx x x xx x x x第14阶段x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x xx x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x xx x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x xx x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x xx x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x xx x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x xx x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x xx x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x xx x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x xx x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x xx x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x xx x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x xx x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x xx x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x xx x x x。x x x xx x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x xx x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x xx x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x xx x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x xx x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x xx x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x xx x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x xx x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x xx x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x xx x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x xx x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x xx x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x xx x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x xx x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x第15阶段x x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x。x x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x x第16阶段x x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x。x x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x x第17阶段x x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x。x x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x x第18阶段x x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x。x x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x x第19阶段x x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x。x x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x x第20阶段x x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x。x x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x xx x x x x x x x xx x x×x x x