C111112111133131121133133313331333133313123221211111133131322131
>>
C11111211113313112113313331333133313331312322121111113313132213
<<
C111112111133131121133133313331333133313123221211111133131322133
>>
C111112111133131121133133313331333133313123221211111133131322132
>>