C1111233131211111211113313331333133313331312331333132322231211131
>>
C111123313121111121111331333133313331333131233133313232223121113
<<
C1111233131211111211113313331333133313331312331333132322231211133
>>
C1111233131211111211113313331333133313331312331333132322231211132
>>