C212212121212113313132333131311331323331323132233132322331323222111
>>
C21221212121211331313233313131133132333132313223313232233132322211
<<
C212212121212113313132333131311331323331323132233132322331323222113
>>
C212212121212113313132333131311331323331323132233132322331323222112
>>