C31321211113313121133133313331333131133133313121111133313232221132121211
>>
C3132121111331312113313331333133313113313331312111113331323222113212121
<<
C31321211113313121133133313331333131133133313121111133313232221132121213
>>
C31321211113313121133133313331333131133133313121111133313232221132121212
>>