C3123121111113313121111331333133313223313331333133313223313222333131
>>
C312312111111331312111133133313331322331333133313331322331322233313
<<
C3123121111113313121111331333133313223313331333133313223313222333133
>>
C3123121111113313121111331333133313223313331333133313223313222333132
>>