C212212121212113313221323131323132313132322331323132233131323132313331231
>>
C21221212121211331322132313132313231313232233132313223313132313231333123
<<
C212212121212113313221323131323132313132322331323132233131323132313331233
>>
C212212121212113313221323131323132313132322331323132233131323132313331232
>>