C1111233131211111211113313331333133313331312331333133311223231333121
>>
C111123313121111121111331333133313331333131233133313331122323133312
<<
C1111233131211111211113313331333133313331312331333133311223231333123
>>
C1111233131211111211113313331333133313331312331333133311223231333122
>>