C111123313331323113313331333133313331323132311233133313112131121
>>
C11112331333132311331333133313331333132313231123313331311213112
<<
C111123313331323113313331333133313331323132311233133313112131123
>>
C111123313331323113313331333133313331323132311233133313112131122
>>