C111123313121111121111331333133313331333131233133313232213332233321   >>    C11112331312111112111133133313331333133313123313331323221333223332   <<    C111123313121111121111331333133313331333131233133313232213332233323   >>      C111123313121111121111331333133313331333131233133313232213332233322   >>