C11112331312111112111133133313121111331323132333132233132231211   >>    C1111233131211111211113313331312111133132313233313223313223121   <<    C11112331312111112111133133313121111331323132333132233132231213   >>      C11112331312111112111133133313121111331323132333132233132231212   >>