B331133131323131133132233133313231333132313331323331323132233132321231   >>    B33113313132313113313223313331323133313231333132333132313223313232123   <<    B331133131323131133132233133313231333132313331323331323132233132321233   >>      B331133131323131133132233133313231333132313331323331323132233132321232   >>