C312312111111331312111133133313231333133313121211113313223313131211
>>
C31231211111133131211113313331323133313331312121111331322331313121
<<
C312312111111331312111133133313231333133313121211113313223313131213
>>
C312312111111331312111133133313231333133313121211113313223313131212
>>