C11112331333132311331333133313231333131133131211113313232113323111   >>    C1111233133313231133133313331323133313113313121111331323211332311   <<    C11112331333132311331333133313231333131133131211113313232113323113   >>      C11112331333132311331333133313231333131133131211113313232113323112   >>