B331133131323131133132233133313231333132233132313331333132333133311331   >>    B33113313132313113313223313331323133313223313231333133313233313331133   <<    B331133131323131133132233133313231333132233132313331333132333133311333   >>      B331133131323131133132233133313231333132233132313331333132333133311332   >>