C112313233211113313121111331333133313232233132313331313332333131   >>    C11231323321111331312111133133313331323223313231333131333233313   <<    C112313233211113313121111331333133313232233132313331313332333133   >>      C112313233211113313121111331333133313232233132313331313332333132   >>