C111112111133131121133133313331333133313123221211111133131133132313331311131
>>
C11111211113313112113313331333133313331312322121111113313113313231333131113
<<
C111112111133131121133133313331333133313123221211111133131133132313331311133
>>
C111112111133131121133133313331333133313123221211111133131133132313331311132
>>