C31321211113313121133133313331333133313331123313331322121111133313231322121
>>
C3132121111331312113313331333133313331333112331333132212111113331323132212
<<
C31321211113313121133133313331333133313331123313331322121111133313231322123
>>
C31321211113313121133133313331333133313331123313331322121111133313231322122
>>