C111123313331323113313331333133313231333133322331323132313123121
>>
C11112331333132311331333133313331323133313332233132313231312312
<<
C111123313331323113313331333133313231333133322331323132313123123
>>
C111123313331323113313331333133313231333133322331323132313123122
>>