C111123313331323113313331323133313331311331311331323132322312231   >>    C11112331333132311331333132313331333131133131133132313232231223   <<    C111123313331323113313331323133313331311331311331323132322312233   >>      C111123313331323113313331323133313331311331311331323132322312232   >>