C3123121111121111131213331333133313331333133313332112323132333132312213232321   >>    C312312111112111113121333133313331333133313331333211232313233313231221323232   <<    C3123121111121111131213331333133313331333133313332112323132333132312213232323   >>      C3123121111121111131213331333133313331333133313332112323132333132312213232322   >>