C111123313331323113313331333133313331323133113313331333133313311231211131
>>
C11112331333132311331333133313331333132313311331333133313331331123121113
<<
C111123313331323113313331333133313331323133113313331333133313311231211133
>>
C111123313331323113313331333133313331323133113313331333133313311231211132
>>