C111123313331323113313331333133313331323133112113313232233132313331323133211121
>>
C11112331333132311331333133313331333132313311211331323223313231333132313321112
<<
C111123313331323113313331333133313331323133112113313232233132313331323133211123
>>
C111123313331323113313331333133313331323133112113313232233132313331323133211122
>>