B331133131323131133132233133313231323132333133313113313331323331333132213223331   >>    B33113313132313113313223313331323132313233313331311331333132333133313221322333   <<    B331133131323131133132233133313231323132333133313113313331323331333132213223333   >>      B331133131323131133132233133313231323132333133313113313331323331333132213223332   >>