B331133131323131133132233133313223313113313223313331323132323311   >>    B33113313132313113313223313331322331311331322331333132313232331   <<    B331133131323131133132233133313223313113313223313331323132323313   >>      B331133131323131133132233133313223313113313223313331323132323312   >>