C112313233211113313121111331333133313232233132313231333132323331313331   >>    C11231323321111331312111133133313331323223313231323133313232333131333   <<    C112313233211113313121111331333133313232233132313231333132323331313333   >>      C112313233211113313121111331333133313232233132313231333132323331313332   >>