ഞാൻ n വരെ മാത്രമേ പൂരിപ്പിക്കൂ എങ്കിൽ 1 l സമം 0 ന് തുല്യമാണ്, എനിക്ക് 2, 4, 10, 12, 18, 20, 30, 38, 40 എന്നിങ്ങനെയാണ്, ഇവയാണ് ഷെൽ ഫില്ലിംഗുകൾ.
n వరకు మాత్రమే పూరిస్తే ఇది 1 కు సమానం, l సమానం 0, 2, 4, 10, 12, 18, 20, 30, 38, 40 మొదలైనవి కలిగి ఉన్నాం, ఇవి షెల్ ఫిల్లింగ్స్ .