B331133131323131133132233133313231333132233132313331323132313331322311221   >>    B33113313132313113313223313331323133313223313231333132313231333132231122   <<    B331133131323131133132233133313231333132233132313331323132313331322311223   >>      B331133131323131133132233133313231333132233132313331323132313331322311222   >>