B33113313132313113313223313331323133313233313311231133132322312111   >>    B3311331313231311331322331333132313331323331331123113313232231211   <<    B33113313132313113313223313331323133313233313311231133132322312113   >>      B33113313132313113313223313331323133313233313311231133132322312112   >>