C111113331333132322331333133313331311331323133112111111331123111
>>
C11111333133313232233133313331333131133132313311211111133112311
<<
C111113331333132322331333133313331311331323133112111111331123113
>>
C111113331333132322331333133313331311331323133112111111331123112
>>