C123211131133132233131323132313233313233313132313133313231333132313221211
>>
C12321113113313223313132313231323331323331313231313331323133313231322121
<<
C123211131133132233131323132313233313233313132313133313231333132313221213
>>
C123211131133132233131323132313233313233313132313133313231333132313221212
>>