C112313233211113313121111331333133313232233132313331311331323321   >>    C11231323321111331312111133133313331323223313231333131133132332   <<    C112313233211113313121111331333133313232233132313331311331323323   >>      C112313233211113313121111331333133313232233132313331311331323322   >>