C11112331333132311331333133313331312111113311212111133132332322131121   >>    C1111233133313231133133313331333131211111331121211113313233232213112   <<    C11112331333132311331333133313331312111113311212111133132332322131123   >>      C11112331333132311331333133313331312111113311212111133132332322131122   >>