C212212121212113313221323131323131323132322331323132233132313233311
>>
C21221212121211331322132313132313132313232233132313223313231323331
<<
C212212121212113313221323131323131323132322331323132233132313233313
>>
C212212121212113313221323131323131323132322331323132233132313233312
>>