C111123313331323113313331333133313331323133113313331323221121121
>>
C11112331333132311331333133313331333132313311331333132322112112
<<
C111123313331323113313331333133313331323133113313331323221121123
>>
C111123313331323113313331333133313331323133113313331323221121122
>>