QR datasets are no longer available

[suzukieng]

Unfortunately it seems none of the 4 QR datasets seem to be available anymore, both of the links are dead:
http://www.fit.vutbr.cz/research/groups/graph/pclines/pub_page.php?id=2012-SCCG-QRtiles
http://www.fit.vutbr.cz/research/groups/graph/pclines/pub_page.php?id=2012-JRTIP-MatrixCode