C111123313331323113313331333133313331323133112113313232233131232311111
>>
C11112331333132311331333133313331333132313311211331323223313123231111
<<
C111123313331323113313331333133313331323133112113313232233131232311113
>>
C111123313331323113313331333133313331323133112113313232233131232311112
>>