C112313233211113313121111331333133313231323133313231311331322333131   >>    C11231323321111331312111133133313331323132313331323131133132233313   <<    C112313233211113313121111331333133313231323133313231311331322333133   >>      C112313233211113313121111331333133313231323133313231311331322333132   >>