C111123313331323113313331333133313331323123231333132313311233112121
>>
C11112331333132311331333133313331333132312323133313231331123311212
<<
C111123313331323113313331333133313331323123231333132313311233112123
>>
C111123313331323113313331333133313331323123231333132313311233112122
>>