digraph CFG {
  node [fontname="Helvetica"];
  n338 [label="3", shape=box];
  n338 -> n339;
  n339 [label="CALL fac", shape=box, style=filled, color=orange];
  n339 -> n191;
  n191 [label="START fac(x)", shape=box, style=filled, color=green];
  n191 -> n194;
  n194 [label="x", shape=box];
  n194 -> n195;
  n195 [label="1", shape=box];
  n195 -> n196;
  n196 [label="x == 1", shape=box];
  n196 -> n197;
  n197 [label="<?>", shape=diamond];
  n197 -> n201 [label="T"];
  n201 [label="1", shape=box];
  n201 -> n192;
  n192 [label="END fac(x)", shape=box, style=filled, color=green];
  n192 -> n207;
  n207 [label="RET fac", shape=box, style=filled, color=orange];
  n207 -> n208;
  n208 [label="x", shape=box];
  n208 -> n209;
  n209 [label="fac((x - 1)) * x", shape=box];
  n209 -> n192;
  n192 -> n223;
  n223 [label="RET fac", shape=box, style=filled, color=orange];
  n223 -> n224;
  n224 [label="x", shape=box];
  n224 -> n225;
  n225 [label="fac((x - 1)) * x", shape=box];
  n225 -> n192;
  n192 -> n239;
  n239 [label="RET fac", shape=box, style=filled, color=orange];
  n239 -> n240;
  n240 [label="x", shape=box];
  n240 -> n241;
  n241 [label="fac((x - 1)) * x", shape=box];
  n241 -> n192;
  n192 -> n255;
  n255 [label="RET fac", shape=box, style=filled, color=orange];
  n255 -> n256;
  n256 [label="x", shape=box];
  n256 -> n257;
  n257 [label="fac((x - 1)) * x", shape=box];
  n257 -> n192;
  n192 -> n271;
  n271 [label="RET fac", shape=box, style=filled, color=orange];
  n271 -> n272;
  n272 [label="x", shape=box];
  n272 -> n273;
  n273 [label="fac((x - 1)) * x", shape=box];
  n273 -> n192;
  n192 -> n287;
  n287 [label="RET fac", shape=box, style=filled, color=orange];
  n287 -> n288;
  n288 [label="x", shape=box];
  n288 -> n289;
  n289 [label="fac((x - 1)) * x", shape=box];
  n289 -> n192;
  n192 -> n303;
  n303 [label="RET fac", shape=box, style=filled, color=orange];
  n303 -> n304;
  n304 [label="x", shape=box];
  n304 -> n305;
  n305 [label="fac((x - 1)) * x", shape=box];
  n305 -> n192;
  n192 -> n319;
  n319 [label="RET fac", shape=box, style=filled, color=orange];
  n319 -> n320;
  n320 [label="x", shape=box];
  n320 -> n321;
  n321 [label="fac((x - 1)) * x", shape=box];
  n321 -> n192;
  n192 -> n335;
  n335 [label="RET fac", shape=box, style=filled, color=orange];
  n335 -> n336;
  n336 [label="x", shape=box];
  n336 -> n337;
  n337 [label="fac((x - 1)) * x", shape=box];
  n337 -> n192;
  n192 -> n341;
  n341 [label="RET fac", shape=box, style=filled, color=orange];
  n197 -> n202 [label="F"];
  n202 [label="x", shape=box];
  n202 -> n203;
  n203 [label="1", shape=box];
  n203 -> n204;
  n204 [label="x - 1", shape=box];
  n204 -> n205;
  n205 [label="CALL fac", shape=box, style=filled, color=orange];
  n205 -> n191;
  n205 -> n207;
  n191 -> n210;
  n210 [label="x", shape=box];
  n210 -> n211;
  n211 [label="1", shape=box];
  n211 -> n212;
  n212 [label="x == 1", shape=box];
  n212 -> n213;
  n213 [label="<?>", shape=diamond];
  n213 -> n217 [label="T"];
  n217 [label="1", shape=box];
  n217 -> n192;
  n213 -> n218 [label="F"];
  n218 [label="x", shape=box];
  n218 -> n219;
  n219 [label="1", shape=box];
  n219 -> n220;
  n220 [label="x - 1", shape=box];
  n220 -> n221;
  n221 [label="CALL fac", shape=box, style=filled, color=orange];
  n221 -> n191;
  n221 -> n223;
  n191 -> n226;
  n226 [label="x", shape=box];
  n226 -> n227;
  n227 [label="1", shape=box];
  n227 -> n228;
  n228 [label="x == 1", shape=box];
  n228 -> n229;
  n229 [label="<?>", shape=diamond];
  n229 -> n233 [label="T"];
  n233 [label="1", shape=box];
  n233 -> n192;
  n229 -> n234 [label="F"];
  n234 [label="x", shape=box];
  n234 -> n235;
  n235 [label="1", shape=box];
  n235 -> n236;
  n236 [label="x - 1", shape=box];
  n236 -> n237;
  n237 [label="CALL fac", shape=box, style=filled, color=orange];
  n237 -> n191;
  n237 -> n239;
  n191 -> n242;
  n242 [label="x", shape=box];
  n242 -> n243;
  n243 [label="1", shape=box];
  n243 -> n244;
  n244 [label="x == 1", shape=box];
  n244 -> n245;
  n245 [label="<?>", shape=diamond];
  n245 -> n249 [label="T"];
  n249 [label="1", shape=box];
  n249 -> n192;
  n245 -> n250 [label="F"];
  n250 [label="x", shape=box];
  n250 -> n251;
  n251 [label="1", shape=box];
  n251 -> n252;
  n252 [label="x - 1", shape=box];
  n252 -> n253;
  n253 [label="CALL fac", shape=box, style=filled, color=orange];
  n253 -> n191;
  n253 -> n255;
  n191 -> n258;
  n258 [label="x", shape=box];
  n258 -> n259;
  n259 [label="1", shape=box];
  n259 -> n260;
  n260 [label="x == 1", shape=box];
  n260 -> n261;
  n261 [label="<?>", shape=diamond];
  n261 -> n265 [label="T"];
  n265 [label="1", shape=box];
  n265 -> n192;
  n261 -> n266 [label="F"];
  n266 [label="x", shape=box];
  n266 -> n267;
  n267 [label="1", shape=box];
  n267 -> n268;
  n268 [label="x - 1", shape=box];
  n268 -> n269;
  n269 [label="CALL fac", shape=box, style=filled, color=orange];
  n269 -> n191;
  n269 -> n271;
  n191 -> n274;
  n274 [label="x", shape=box];
  n274 -> n275;
  n275 [label="1", shape=box];
  n275 -> n276;
  n276 [label="x == 1", shape=box];
  n276 -> n277;
  n277 [label="<?>", shape=diamond];
  n277 -> n281 [label="T"];
  n281 [label="1", shape=box];
  n281 -> n192;
  n277 -> n282 [label="F"];
  n282 [label="x", shape=box];
  n282 -> n283;
  n283 [label="1", shape=box];
  n283 -> n284;
  n284 [label="x - 1", shape=box];
  n284 -> n285;
  n285 [label="CALL fac", shape=box, style=filled, color=orange];
  n285 -> n191;
  n285 -> n287;
  n191 -> n290;
  n290 [label="x", shape=box];
  n290 -> n291;
  n291 [label="1", shape=box];
  n291 -> n292;
  n292 [label="x == 1", shape=box];
  n292 -> n293;
  n293 [label="<?>", shape=diamond];
  n293 -> n297 [label="T"];
  n297 [label="1", shape=box];
  n297 -> n192;
  n293 -> n298 [label="F"];
  n298 [label="x", shape=box];
  n298 -> n299;
  n299 [label="1", shape=box];
  n299 -> n300;
  n300 [label="x - 1", shape=box];
  n300 -> n301;
  n301 [label="CALL fac", shape=box, style=filled, color=orange];
  n301 -> n191;
  n301 -> n303;
  n191 -> n306;
  n306 [label="x", shape=box];
  n306 -> n307;
  n307 [label="1", shape=box];
  n307 -> n308;
  n308 [label="x == 1", shape=box];
  n308 -> n309;
  n309 [label="<?>", shape=diamond];
  n309 -> n313 [label="T"];
  n313 [label="1", shape=box];
  n313 -> n192;
  n309 -> n314 [label="F"];
  n314 [label="x", shape=box];
  n314 -> n315;
  n315 [label="1", shape=box];
  n315 -> n316;
  n316 [label="x - 1", shape=box];
  n316 -> n317;
  n317 [label="CALL fac", shape=box, style=filled, color=orange];
  n317 -> n191;
  n317 -> n319;
  n191 -> n322;
  n322 [label="x", shape=box];
  n322 -> n323;
  n323 [label="1", shape=box];
  n323 -> n324;
  n324 [label="x == 1", shape=box];
  n324 -> n325;
  n325 [label="<?>", shape=diamond];
  n325 -> n329 [label="T"];
  n329 [label="1", shape=box];
  n329 -> n192;
  n325 -> n330 [label="F"];
  n330 [label="x", shape=box];
  n330 -> n331;
  n331 [label="1", shape=box];
  n331 -> n332;
  n332 [label="x - 1", shape=box];
  n332 -> n333;
  n333 [label="CALL fac", shape=box, style=filled, color=orange];
  n333 -> n191;
  n333 -> n335;
  n339 -> n341;
}