C111123313331323113313331333133313331323133113313231333131311111
>>
C11112331333132311331333133313331333132313311331323133313131111
<<
C111123313331323113313331333133313331323133113313231333131311113
>>
C111123313331323113313331333133313331323133113313231333131311112
>>