C11112331312111112111133133313231333132311212111133133313311221333132323221   >>    C1111233131211111211113313331323133313231121211113313331331122133313232322   <<    C11112331312111112111133133313231333132311212111133133313311221333132323223   >>      C11112331312111112111133133313231333132311212111133133313311221333132323222   >>