B33113313132313113313223313331323133313223313231333132313311211113313133221231   >>    B3311331313231311331322331333132313331322331323133313231331121111331313322123   <<    B33113313132313113313223313331323133313223313231333132313311211113313133221233   >>      B33113313132313113313223313331323133313223313231333132313311211113313133221232   >>