C111123313331323113313331333133313331322331313331311331323132333312221   >>    C11112331333132311331333133313331333132233131333131133132313233331222   <<    C111123313331323113313331333133313331322331313331311331323132333312223   >>      C111123313331323113313331333133313331322331313331311331323132333312222   >>