0 4 2 false dimension 320 227 coordinates 0 0 Portal Legacy Chamber 01 125421 Chamber 03 71897 72173 Chamber 05 72798 76496 Chamber 07 56160 Chamber 08 27299 29267 Chamber 09 27868 27890 Chamber 10 34203 Chamber 12 83087 96221 Chamber 13 28406 30604 Chamber 14 25521 27770 Chamber 15 46940 Chamber 16 31995 32150 Chamber 17 61138 76251 Chamber 18 80340 Chamber 19 56331 Escape 00 40498 44222 Escape 01 70293 GLoDOS 63554