C112233313331323223313331311331323133313231311331323132333131111   >>    C11223331333132322331333131133132313331323131133132313233313111   <<    C112233313331323223313331311331323133313231311331323132333131113   >>      C112233313331323223313331311331323133313231311331323132333131112   >>