B33113313132313113313223313331311331323211331322133313132323311   >>    B3311331313231311331322331333131133132321133132213331313232331   <<    B33113313132313113313223313331311331323211331322133313132323313   >>      B33113313132313113313223313331311331323211331322133313132323312   >>