C111112111133131121133133313331333133313331322121111331333133313133313223311221
>>
C11111211113313112113313331333133313331333132212111133133313331313331322331122
<<
C111112111133131121133133313331333133313331322121111331333133313133313223311223
>>
C111112111133131121133133313331333133313331322121111331333133313133313223311222
>>