B331133131323131133132233133313231333132233132313331333132313311221311311211   >>    B33113313132313113313223313331323133313223313231333133313231331122131131121   <<    B331133131323131133132233133313231333132233132313331333132313311221311311213   >>      B331133131323131133132233133313231333132233132313331333132313311221311311212   >>