C1111233131211111211113313331333133313232321333133313123133311211
>>
C111123313121111121111331333133313331323232133313331312313331121
<<
C1111233131211111211113313331333133313232321333133313123133311213
>>
C1111233131211111211113313331333133313232321333133313123133311212
>>