C111123313121111121111331323133313331333132322133313221121133131
>>
C11112331312111112111133132313331333133313232213331322112113313
<<
C111123313121111121111331323133313331333132322133313221121133133
>>
C111123313121111121111331323133313331333132322133313221121133132
>>