B331133131323131133132233133313231333132233132313331333133112111111223311231   >>    B33113313132313113313223313331323133313223313231333133313311211111122331123   <<    B331133131323131133132233133313231333132233132313331333133112111111223311233   >>      B331133131323131133132233133313231333132233132313331333133112111111223311232   >>