B331133131323131133132233133313223313113313223313331323133313113313232231211   >>    B33113313132313113313223313331322331311331322331333132313331311331323223121   <<    B331133131323131133132233133313223313113313223313331323133313113313232231213   >>      B331133131323131133132233133313223313113313223313331323133313113313232231212   >>