C111123313331323113313331333133313331323323113313231323133311233131
>>
C11112331333132311331333133313331333132332311331323132313331123313
<<
C111123313331323113313331333133313331323323113313231323133311233133
>>
C111123313331323113313331333133313331323323113313231323133311233132
>>