C1111233131211111211113313331333133313331312331333133112312111111
>>
C111123313121111121111331333133313331333131233133313311231211111
<<
C1111233131211111211113313331333133313331312331333133112312111113
>>
C1111233131211111211113313331333133313331312331333133112312111112
>>