C111123313331323113313331333133313331323132311233133313112222121
>>
C11112331333132311331333133313331333132313231123313331311222212
<<
C111123313331323113313331333133313331323132311233133313112222123
>>
C111123313331323113313331333133313331323132311233133313112222122
>>