B33113313132313113313223313331323133311211312111112111133133312113313111221
>>
B3311331313231311331322331333132313331121131211111211113313331211331311122
<<
B33113313132313113313223313331323133311211312111112111133133312113313111223
>>
B33113313132313113313223313331323133311211312111112111133133312113313111222
>>