C111123313121111121111331333133313113313232233231333131121131111
>>
C11112331312111112111133133313331311331323223323133313112113111
<<
C111123313121111121111331333133313113313232233231333131121131113
>>
C111123313121111121111331333133313113313232233231333131121131112
>>