C111123313121111121111331333133313331323231333133313331333131121211332321   >>    C11112331312111112111133133313331333132323133313331333133313112121133232   <<    C111123313121111121111331333133313331323231333133313331333131121211332323   >>      C111123313121111121111331333133313331323231333133313331333131121211332322   >>