C112313233211113313121111331333133313232233132313331311331322333131121   >>    C11231323321111331312111133133313331323223313231333131133132233313112   <<    C112313233211113313121111331333133313232233132313331311331322333131123   >>      C112313233211113313121111331333133313232233132313331311331322333131122   >>