C111123313121111121111331333133313331323232133313331333131123313232112323131   >>    C11112331312111112111133133313331333132323213331333133313112331323211232313   <<    C111123313121111121111331333133313331323232133313331333131123313232112323133   >>      C111123313121111121111331333133313331323232133313331333131123313232112323132   >>