C11112331312111112111133133313331333132323213331313331311211331131   >>    C1111233131211111211113313331333133313232321333131333131121133113   <<    C11112331312111112111133133313331333132323213331313331311211331133   >>      C11112331312111112111133133313331333132323213331313331311211331132   >>