C111123313331323113313331333133313331323133112113313331322211231211
>>
C11112331333132311331333133313331333132313311211331333132221123121
<<
C111123313331323113313331333133313331323133112113313331322211231213
>>
C111123313331323113313331333133313331323133112113313331322211231212
>>