B33113313132313113313223313331323132313331313232233131133132313232231211   >>    B3311331313231311331322331333132313231333131323223313113313231323223121   <<    B33113313132313113313223313331323132313331313232233131133132313232231213   >>      B33113313132313113313223313331323132313331313232233131133132313232231212   >>