C111112111133131121133133313331333133313331323133313331333131211113311232322221
>>
C11111211113313112113313331333133313331333132313331333133313121111331123232222
<<
C111112111133131121133133313331333133313331323133313331333131211113311232322223
>>
C111112111133131121133133313331333133313331323133313331333131211113311232322222
>>