C11112331333132311331333133313331323132313331211111211111333131133133313133131
>>
C1111233133313231133133313331333132313231333121111121111133313113313331313313
<<
C11112331333132311331333133313331323132313331211111211111333131133133313133133
>>
C11112331333132311331333133313331323132313331211111211111333131133133313133132
>>