C312312111111331312111133133313331331121111331333133112111133132222231
>>
C31231211111133131211113313331333133112111133133313311211113313222223
<<
C312312111111331312111133133313331331121111331333133112111133132222233
>>
C312312111111331312111133133313331331121111331333133112111133132222232
>>