C111112111133131121133133313331333133313123221211111133131133131233221
>>
C11111211113313112113313331333133313331312322121111113313113313123322
<<
C111112111133131121133133313331333133313123221211111133131133131233223
>>
C111112111133131121133133313331333133313123221211111133131133131233222
>>