C212212121212113313132333131311331323331323132233131133131321111
>>
C21221212121211331313233313131133132333132313223313113313132111
<<
C212212121212113313132333131311331323331323132233131133131321113
>>
C212212121212113313132333131311331323331323132233131133131321112
>>