C111123313331323113313331323133313231323132322331323131121133131
>>
C11112331333132311331333132313331323132313232233132313112113313
<<
C111123313331323113313331323133313231323132322331323131121133133
>>
C111123313331323113313331323133313231323132322331323131121133132
>>