C222133313331333131123313231333133313331313113313331333121121133133313233221
>>
C22213331333133313112331323133313331333131311331333133312112113313331323322
<<
C222133313331333131123313231333133313331313113313331333121121133133313233223
>>
C222133313331333131123313231333133313331313113313331333121121133133313233222
>>