B33113313132313113313223313331323133311211312111112111133133313311211331121
>>
B3311331313231311331322331333132313331121131211111211113313331331121133112
<<
B33113313132313113313223313331323133311211312111112111133133313311211331123
>>
B33113313132313113313223313331323133311211312111112111133133313311211331122
>>