C111123313331323113313331333133313331323132311233133313232212111211
>>
C11112331333132311331333133313331333132313231123313331323221211121
<<
C111123313331323113313331333133313331323132311233133313232212111213
>>
C111123313331323113313331333133313331323132311233133313232212111212
>>