C1111233131211111211113313331333133313331322322331333133321123122211
>>
C111123313121111121111331333133313331333132232233133313332112312221
<<
C1111233131211111211113313331333133313331322322331333133321123122213
>>
C1111233131211111211113313331333133313331322322331333133321123122212
>>