B331133131323131133132233133313231333132233132313331333132313112331323123121   >>    B33113313132313113313223313331323133313223313231333133313231311233132312312   <<    B331133131323131133132233133313231333132233132313331333132313112331323123123   >>      B331133131323131133132233133313231333132233132313331333132313112331323123122   >>