B331133131323131133132233133313231333132233132313331333112211232311213231   >>    B33113313132313113313223313331323133313223313231333133311221123231121323   <<    B331133131323131133132233133313231333132233132313331333112211232311213233   >>      B331133131323131133132233133313231333132233132313331333112211232311213232   >>