C111123313331323113313331333133313331323133113313331333131313123131
>>
C11112331333132311331333133313331333132313311331333133313131312313
<<
C111123313331323113313331333133313331323133113313331333131313123133
>>
C111123313331323113313331333133313331323133113313331333131313123132
>>