B331133131323131133132233133313231333132313331323331333131133132212231   >>    B33113313132313113313223313331323133313231333132333133313113313221223   <<    B331133131323131133132233133313231333132313331323331333131133132212233   >>      B331133131323131133132233133313231333132313331323331333131133132212232   >>