C11112331333132311331333133313331323132313331211111333131212121
>>
C1111233133313231133133313331333132313231333121111133313121212
<<
C11112331333132311331333133313331323132313331211111333131212123
>>
C11112331333132311331333133313331323132313331211111333131212122
>>