C212212121212113313221323131323132313232233132112323133313113313131111
>>
C21221212121211331322132313132313231323223313211232313331311331313111
<<
C212212121212113313221323131323132313232233132112323133313113313131113
>>
C212212121212113313221323131323132313232233132112323133313113313131112
>>