C212212121212113313132333131311331323331323132233132313123232233221
>>
C21221212121211331313233313131133132333132313223313231312323223322
<<
C212212121212113313132333131311331323331323132233132313123232233223
>>
C212212121212113313132333131311331323331323132233132313123232233222
>>