C11111211113313112113313331333133313331333121131211111133132213221211
>>
C1111121111331311211331333133313331333133312113121111113313221322121
<<
C11111211113313112113313331333133313331333121131211111133132213221213
>>
C11111211113313112113313331333133313331333121131211111133132213221212
>>