C11112331312111112111133133313331333132323213331333133313331311331122112321   >>    C1111233131211111211113313331333133313232321333133313331333131133112211232   <<    C11112331312111112111133133313331333132323213331333133313331311331122112323   >>      C11112331312111112111133133313331333132323213331333133313331311331122112322   >>