B331133131323131133132233133313231333132233132313331333132323311331322331   >>    B33113313132313113313223313331323133313223313231333133313232331133132233   <<    B331133131323131133132233133313231333132233132313331333132323311331322333   >>      B331133131323131133132233133313231333132233132313331333132323311331322332   >>