C111123313331323113313331323133313331311331311331323331323223313233321   >>    C11112331333132311331333132313331333131133131133132333132322331323332   <<    C111123313331323113313331323133313331311331311331323331323223313233323   >>      C111123313331323113313331323133313331311331311331323331323223313233322   >>