B331133131323131133132233133313223313113313223313331323133313232112231   >>    B33113313132313113313223313331322331311331322331333132313331323211223   <<    B331133131323131133132233133313223313113313223313331323133313232112233   >>      B331133131323131133132233133313223313113313223313331323133313232112232   >>