B331133131323131133132233133313231333132233132313331323233121221   >>    B33113313132313113313223313331323133313223313231333132323312122   <<    B331133131323131133132233133313231333132233132313331323233121223   >>      B331133131323131133132233133313231333132233132313331323233121222   >>