B33113313132313113313223313331323131323133313232233132313331323223313232112311   >>    B3311331313231311331322331333132313132313331323223313231333132322331323211231   <<    B33113313132313113313223313331323131323133313232233132313331323223313232112313   >>      B33113313132313113313223313331323131323133313232233132313331323223313232112312   >>