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Warning: session_start(): Failed to read session data: files (path: /var/lib/php/sessions) in /var/www/tb-usercake/models/config.php on line 51
static L ptGrid(int x1, int y1, int w, int h, int stepX, int stepY) { new L l; for (int y = 0; y < h; y += stepY) for (int x = 0; x < w; x += stepX) l.add(pt(x1+x, y1+y)); ret l; }