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homepage.html done (about simple lv1v1 (more info, another level (l3v2),…
homepage.html done (about simple lv1v1, <click to enter> done, <download a bird> done :D, <city picture>
, <crane picutre> done, <hidden link> done, levels used so far: l3v1, l4v1, l4v2, l5v2, l1v2, l3v2)