C2122121212121133131323331313113313233313231322331311331323132313123232131
>>
C212212121212113313132333131311331323331323132233131133132313231312323213
<<
C2122121212121133131323331313113313233313231322331311331323132313123232133
>>
C2122121212121133131323331313113313233313231322331311331323132313123232132
>>