C11112331333132311331333133313331333132311213331333131333132332313233313231331   >>    C1111233133313231133133313331333133313231121333133313133313233231323331323133   <<    C11112331333132311331333133313331333132311213331333131333132332313233313231333   >>      C11112331333132311331333133313331333132311213331333131333132332313233313231332   >>