C111123313121111121111331333133313331323221211113313113313331333133311222131
>>
C11112331312111112111133133313331333132322121111331311331333133313331122213
<<
C111123313121111121111331333133313331323221211113313113313331333133311222133
>>
C111123313121111121111331333133313331323221211113313113313331333133311222132
>>