C11112331333132311331333133313331323132313331211111211111133131111
>>
C1111233133313231133133313331333132313231333121111121111113313111
<<
C11112331333132311331333133313331323132313331211111211111133131113
>>
C11112331333132311331333133313331323132313331211111211111133131112
>>