B331133131323131133132233133313232213232233132313232233133311211311   >>    B33113313132313113313223313331323221323223313231323223313331121131   <<    B331133131323131133132233133313232213232233132313232233133311211313   >>      B331133131323131133132233133313232213232233132313232233133311211312   >>