C111123313331323113313331333133313331323132311233133313121323131
>>
C11112331333132311331333133313331333132313231123313331312132313
<<
C111123313331323113313331333133313331323132311233133313121323133
>>
C111123313331323113313331333133313331323132311233133313121323132
>>