C1111233131211111211113313331333133313331333133313331333133313232123111
>>
C111123313121111121111331333133313331333133313331333133313331323212311
<<
C1111233131211111211113313331333133313331333133313331333133313232123113
>>
C1111233131211111211113313331333133313331333133313331333133313232123112
>>