C111123313331323113313331323133313331311331311331333133313332313111311
>>
C11112331333132311331333132313331333131133131133133313331333231311131
<<
C111123313331323113313331323133313331311331311331333133313332313111313
>>
C111123313331323113313331323133313331311331311331333133313332313111312
>>