B33113313132313113313223313331323133311211312111112111133133313331331123211121
>>
B3311331313231311331322331333132313331121131211111211113313331333133112321112
<<
B33113313132313113313223313331323133311211312111112111133133313331331123211123
>>
B33113313132313113313223313331323133311211312111112111133133313331331123211122
>>