C111123313331323113313331323133313331311331311331333133313311232133131   >>    C11112331333132311331333132313331333131133131133133313331331123213313   <<    C111123313331323113313331323133313331311331311331333133313311232133133   >>      C111123313331323113313331323133313331311331311331333133313311232133132   >>