C111123313331323113313331323133313331311331311331323132333133321   >>    C11112331333132311331333132313331333131133131133132313233313332   <<    C111123313331323113313331323133313331311331311331323132333133323   >>      C111123313331323113313331323133313331311331311331323132333133322   >>