B33113313132313113313223313331323133313233313311231133132322233231   >>    B3311331313231311331322331333132313331323331331123113313232223323   <<    B33113313132313113313223313331323133313233313311231133132322233233   >>      B33113313132313113313223313331323133313233313311231133132322233232   >>