C111123313331323113313331333133313331323132311233133313132313231211
>>
C11112331333132311331333133313331333132313231123313331313231323121
<<
C111123313331323113313331333133313331323132311233133313132313231213
>>
C111123313331323113313331333133313331323132311233133313132313231212
>>