C111123313331323113313331333133313331323133113313331311211112111
>>
C11112331333132311331333133313331333132313311331333131121111211
<<
C111123313331323113313331333133313331323133113313331311211112113
>>
C111123313331323113313331333133313331323133113313331311211112112
>>