C31231211113313121211113313331333133313311211331333133313131211113313232213221
>>
C3123121111331312121111331333133313331331121133133313331313121111331323221322
<<
C31231211113313121211113313331333133313311211331333133313131211113313232213223
>>
C31231211113313121211113313331333133313311211331333133313131211113313232213222
>>