C111123313121111121111331333133313331331121111133313331333133313113313131131221
>>
C11112331312111112111133133313331333133112111113331333133313331311331313113122
<<
C111123313121111121111331333133313331331121111133313331333133313113313131131223
>>
C111123313121111121111331333133313331331121111133313331333133313113313131131222
>>