C11112331333132311331333133313231333131133131211113313231123323231   >>    C1111233133313231133133313331323133313113313121111331323112332323   <<    C11112331333132311331333133313231333131133131211113313231123323233   >>      C11112331333132311331333133313231333131133131211113313231123323232   >>