C111123313331323113313331333133313331323133112113313231323123311
>>
C11112331333132311331333133313331333132313311211331323132312331
<<
C111123313331323113313331333133313331323133112113313231323123313
>>
C111123313331323113313331333133313331323133112113313231323123312
>>