C212212121212113313221323131323132313232233132112323133313113313113111
>>
C21221212121211331322132313132313231323223313211232313331311331311311
<<
C212212121212113313221323131323132313232233132112323133313113313113113
>>
C212212121212113313221323131323132313232233132112323133313113313113112
>>