B33113313132313113313223313331323133313223313231333133313311212132313111311   >>    B3311331313231311331322331333132313331322331323133313331331121213231311131   <<    B33113313132313113313223313331323133313223313231333133313311212132313111313   >>      B33113313132313113313223313331323133313223313231333133313311212132313111312   >>