C1111233131211111211113313331333133313331312331333133112323132322233211312111
>>
C111123313121111121111331333133313331333131233133313311232313232223321131211
<<
C1111233131211111211113313331333133313331312331333133112323132322233211312113
>>
C1111233131211111211113313331333133313331312331333133112323132322233211312112
>>