C1111233131211111211113313331333133313231323331323133313121111123311331
>>
C111123313121111121111331333133313331323132333132313331312111112331133
<<
C1111233131211111211113313331333133313231323331323133313121111123311333
>>
C1111233131211111211113313331333133313231323331323133313121111123311332
>>