C33331211113313331211113313331333133313133311231333133313222121
>>
C3333121111331333121111331333133313331313331123133313331322212
<<
C33331211113313331211113313331333133313133311231333133313222123
>>
C33331211113313331211113313331333133313133311231333133313222122
>>