C1111121111331311211331333133313331323331311312111133132313331322331323113121   >>    C111112111133131121133133313331333132333131131211113313231333132233132311312   <<    C1111121111331311211331333133313331323331311312111133132313331322331323113123   >>      C1111121111331311211331333133313331323331311312111133132313331322331323113122   >>