C111123313331323113313331333133313331323133113313231323132213131
>>
C11112331333132311331333133313331333132313311331323132313221313
<<
C111123313331323113313331333133313331323133113313231323132213133
>>
C111123313331323113313331333133313331323133113313231323132213132
>>