yes yes, the Czechs 1000 years later have also clear the escape plan, (tunnel dug up secret and passage to the castle of Canossa:) {from there, onwards, I offer the path:}*
[..and all from a few Byzantine style coins found in France that resemble others because they all were provably commissioned by the same foundry in Padua north (my parts):] .. good good, keep it up .. wiki CS will surely become a fundamental pillar for historical research :D
*https://www.google.com/maps/dir/M%C4%9Bln%C3%ADk,+Repubblica+Ceca/4...