B331133131323131133132233133313223313113313223313331323133313113311211121   >>    B33113313132313113313223313331322331311331322331333132313331311331121112   <<    B331133131323131133132233133313223313113313223313331323133313113311211123   >>      B331133131323131133132233133313223313113313223313331323133313113311211122   >>