C11112331312111112111133133313231333132311212111133131133131333133313232131   >>    C1111233131211111211113313331323133313231121211113313113313133313331323213   <<    C11112331312111112111133133313231333132311212111133131133131333133313232133   >>      C11112331312111112111133133313231333132311212111133131133131333133313232132   >>