C111123313121111121111331333133313331323221211113313113313331333133311121121
>>
C11112331312111112111133133313331333132322121111331311331333133313331112112
<<
C111123313121111121111331333133313331323221211113313113313331333133311121123
>>
C111123313121111121111331333133313331323221211113313113313331333133311121122
>>