C112233313331323223313331311331323133313331313231333131331121121   >>    C11223331333132322331333131133132313331333131323133313133112112   <<    C112233313331323223313331311331323133313331313231333131331121123   >>      C112233313331323223313331311331323133313331313231333131331121122   >>