C111123313121111121111331333133313331333112221211111121133133313232333131
>>
C11112331312111112111133133313331333133311222121111112113313331323233313
<<
C111123313121111121111331333133313331333112221211111121133133313232333133
>>
C111123313121111121111331333133313331333112221211111121133133313232333132
>>