C212212121212113313132333131311331323331323132233132313123232231
>>
C21221212121211331313233313131133132333132313223313231312323223
<<
C212212121212113313132333131311331323331323132233132313123232233
>>
C212212121212113313132333131311331323331323132233132313123232232
>>