B33113313132313113313223313331323231333132233132313231333132313132333121   >>    B3311331313231311331322331333132323133313223313231323133313231313233312   <<    B33113313132313113313223313331323231333132233132313231333132313132333123   >>      B33113313132313113313223313331323231333132233132313231333132313132333122   >>