C11112331312111112111133133313331333132313233313231323331323132231111   >>    C1111233131211111211113313331333133313231323331323132333132313223111   <<    C11112331312111112111133133313331333132313233313231323331323132231113   >>      C11112331312111112111133133313331333132313233313231323331323132231112   >>