facF17 := [1.0235713278915*y+2.0471411850623*x+3.0707103380254*x^2-3.070707593\
8711*x^3+5.1178432159383*x^5-5.1178463879237*x^4-2.0471385702041*x^6-3.0707075\
123204*x^10+3.0707120300194*x^9-1.0235670614779*x^8+3.0707108140236*x^7-3.0707\
103215320*x^11+5.1178481802895*x^12+4.0942763445622*x^15-4.0942716260492*x^14+
2.0471347457716*x^17+.29820055967827e-5*x^13+1.0235724748504*x^18-4.0942755500\
284*x^16+3.0707066166139*x*y^5+5.1178472246413*y^5+4.0942746502382*y^7+1.02356\
59499021*y^8-3.0707065223428*y^2+.13035274198632e-5*y^6-4.0942817792484*y^3+4.\
0942769114421*x^2*y^5-1.0235708598022*x^2*y^4+.19658909493278e-5*x^2*y^3+1.023\
5698970221*x^2*y^2-4.0942754762461*x^2*y-5.1178474240075*x*y^7+4.0942817581039
*x*y^6+1.0235696573297*x*y^4+2.0471386002389*x*y^3+2.0471409270387*x*y^2-3.070\
7074798780*x^3*y-2.0471361906136*x^7*y+5.1178443644267*x^6*y^2-1.0235681328109
*x^6*y+2.0471433289690*x^5*y^3+3.0707080062302*x^5*y^2-3.0707080565850*x^5*y+.\
31020696541045e-5*x^4*y^4+5.1178443433460*x^4*y^3+2.0471328804438*x^4*y^2-1.02\
35722483545*x^3*y^5+5.1178471474346*x^3*y^2-2.0471339007284*x^2*y^6+2.04714059\
37894*x*y-1.0235678497631*x^3*y^4-1.0235640300382*x^3*y^3-2.0471374756519*x^4*
y+3.0707029405855*y^4+4.0942820678154*y*x^10-3.0707113388111*y*x^9-3.070709403\
6513*y*x^8-2.0471424598968*y*x^11+3.0707142141609*y*x^12+3.0707093957720*y*x^
14-3.0707058628140*y*x^13+1.0235656810888*y^2*x^10+5.1178478130445*y^2*x^9-5.1\
178483274033*y^2*x^8-2.0471363007148*y^2*x^7-.32011101538112e-5*y^2*x^11-2.047\
1388703839*y^2*x^12+2.0471417705018*y^2*x^13-1.0235721446479*y^3*x^6-1.0235658\
969717*y^3*x^10-5.1178467705394*y^3*x^9-5.1178494279943*y^3*x^8+1.023574107348\
9*y^3*x^7-1.0235674969472*y^3*x^11-1.0235713024198*y^3*x^12+1.0235672249121*y^
4*x^5-1.0235689700861*y^4*x^6-2.0471403016813*y^4*x^10+2.0471368825980*y^4*x^9
+3.0707079945585*y^4*x^8+2.0471380658337*y^4*x^7+3.0707046933610*y^4*x^11+1.02\
35689605124*y^5*x^5+4.0942854823255*y^5*x^4-1.0235726120992*y^5*x^6+2.04714489\
24009*y^5*x^10+5.1178510971308*y^5*x^9+5.1178470976794*y^5*x^8-4.0942808394304
*y^5*x^7+2.0471348923320*y^6*x^3-5.1178471856696*y^6*x^5-1.0235722763355*y^6*x
^4-3.0707074487613*y^6*x^6+2.0471355093079*y^6*x^9-4.0942817217428*y^6*x^8+2.0\
471416539202*y^6*x^7+4.0942779857104*y^7*x^2-5.1178477018727*y^7*x^3+2.0471316\
110603*y^7*x^5+2.0471364261153*y^7*x^4-5.1178442874316*y^7*x^6+2.0471351979180
*y^7*x^8-.67262958596165e-5*y^7*x^7+4.0942747420006*y^8*x^2+5.1178484444750*y^
8*x^3+2.0471399175266*y^8*x+2.0471366248005*y^8*x^5-1.0235651944094*y^8*x^4-2.\
0471388103894*y^8*x^6-3.0707106031947*y^8*x^7-1.0235699182590*y^9*x+4.09427764\
87593*y^9*x^2-1.0235633148530*y^9*x^3+5.1178482764277*y^9*x^5-5.1178413559418*
y^9*x^4-3.0707058642468*y^9*x^6-3.0707140969203*y^10*x+1.0235732653470*y^10*x^
2+4.0942797983678*y^10*x^3+4.0942789618729*y^10*x^5-3.0707108575870*y^10*x^4-5\
.1178501471079*y^11*x^4+5.1178445441939*y^11*x+3.0707083077321*y^11*x^3+4.0942\
726994146*y^11*x^2-4.0942747329886*y^12*x^3-3.0707129001617*y^12*x^2+4.0942787\
462618*y^12*x+1.0235717203265*y^13*x^2-4.0942808384577*y^13*x-4.0942791772900*
y^14*x-1.0235724583550*y^9+2.0471430170498*y^10+5.1178514564448*y^11+2.0471402\
662478*y^12+5.1178497463679*y^13-1.0235645497457*y^14-1.0235667554140*y^15-1.0\
235736383255*x^16*y+5.1178432722673*x^16*y^2+5.1178468800677*x^17*y+1.02356594\
95319*x^13*y^4+5.1178473534632*x^12*y^5-4.0942784132457*x^10*y^8+4.09427371120\
21*x^7*y^11-2.0471375115231*x^6*y^10-2.0471420686800*x^2*y^16+4.0942800847865*
x^10*y^7+2.0471408128083*y^16+4.0942794069593*x^4*y^12+1.0235706917981*y^17-5.\
1178457477505*y^18-2.0471404692568*x^3*y^15+1.0235666282527*x*y^17-3.070704916\
7369*x*y^15-4.0942773863727*x*y^16+1.0235716825128*x^8*y^9-3.0707087921067*x^
14*y^2-1.0235709998311*x^14*y^3-.52091109243876e-6*x^14*y^4+1.0235711309795*x^
15*y+.18864220674648e-5*x^15*y^2-5.1178454697475*x^15*y^3+4.0942786169063*x^9*
y^9+1.0235687632636*x^13*y^5-1.0235676133454*x^13*y^3+1.0235676367649*x^12*y^6
+5.1178500707854*x^12*y^4-4.0942796536194*x^11*y^7+2.0471430162056*x^11*y^6-5.\
1178474085642*x^11*y^5+4.0942830099028*x^10*y^6+2.0471418065585*x^9*y^8+4.0942\
835896838*x^9*y^7-3.0707112139926*x^8*y^10+3.0707072651300*x^8*y^8+4.094277625\
1998*x^7*y^10+3.0707112395044*x^7*y^9-2.0471404827112*x^6*y^12+2.0471388470087
*x^6*y^11-2.0471398847917*x^5*y^13+5.1178473589021*x^5*y^11-3.0707089768896*x^
4*y^14-1.0235695682121*x^4*y^13+4.0942788970795*x^3*y^14+4.0942792357402*x^3*y
^13-.23229226795043e-5*x^2*y^15+2.0471378151776*x^2*y^14-4.0942748036786*x^5*y
^12+3.0707090891748, -3.9078911008875*y-3.9078924676680*x-1.9539482240148*x^2-\
4.8848660383340*x^3+2.9309157291111*x^5+1.9539477330311*x^4+1.9539455275032*x^
6+.97697574528142*x^10-2.9309154591886*x^9+2.9309199401378*x^8+.97697224554572
*x^7-.97697173300696*x^11-2.9309193200420*x^12-3.9078912172652*x^15+.\
16448971581541e-5*x^14+3.9078926725218*x^17+4.8848663329245*x^13-3.90789242559\
89*x^18+3.9078936936079*x^16+3.9078898410528*x*y^5+1.9539418638035*y^5+3.90789\
08518723*y^7-2.9309241687205*y^8+3.9078948207731*y^2+1.9539413306998*y^6+.\
41709545007718e-6*y^3-4.8848630883624*x^2*y^5+1.9539448912936*x^2*y^4-4.884868\
1405720*x^2*y^3-1.9539433158007*x^2*y^2-.97697290746976*x^2*y-3.9078934961592*
x*y^7-2.9309224377046*x*y^6-1.9539467604565*x*y^4-.97697189346682*x*y^3-1.9539\
447043206*x*y^2-3.9078904223923*x^3*y-3.9078943485875*x^7*y-.97696745149895*x^
6*y^2-.97697562435204*x^6*y-2.9309200493792*x^5*y^3+.14635168632641e-5*x^5*y^2
+.97697401112746*x^5*y+.97697295936359*x^4*y^4-1.9539459377265*x^4*y^3+2.93092\
00955767*x^4*y^2+3.9078976272761*x^3*y^5+4.8848693328464*x^3*y^2+.\
24758809762628e-5*x^2*y^6-3.9078923644512*x*y-.52105638028779e-5*x^3*y^4-2.930\
9219106157*x^3*y^3-3.9078883003665*x^4*y+3.9078937328486*y^4+3.9078918059123*y
*x^10+.97697217145409*y*x^9+2.9309151124773*y*x^8+.11221741764698e-5*y*x^11+2.\
9309170136820*y*x^12+.97696844600958*y*x^14-2.9309196786365*y*x^13+4.884866291\
4186*y^2*x^10-3.9078936178181*y^2*x^9-3.9078942079343*y^2*x^8-.34484247117157e\
-5*y^2*x^7-1.9539459823055*y^2*x^11-2.9309149894493*y^2*x^12+1.9539411740967*y
^2*x^13+3.9078922018371*y^3*x^6-4.8848618067687*y^3*x^10+3.9078938377196*y^3*x
^9-1.9539498126999*y^3*x^8+3.9078886337012*y^3*x^7+4.8848618226909*y^3*x^11+1.\
9539472536194*y^3*x^12-1.9539398186407*y^4*x^5-.97697171103239*y^4*x^6+4.88486\
66206503*y^4*x^10-4.8848693476177*y^4*x^9-4.8848643943909*y^4*x^8-2.9309185844\
524*y^4*x^7-4.8848643403198*y^4*x^11+2.9309205274024*y^5*x^5-1.9539490342386*y
^5*x^4+4.8848687718896*y^5*x^6-2.9309177471718*y^5*x^10-2.9309183543778*y^5*x^
9+2.9309132686857*y^5*x^8-.97697763211389*y^5*x^7-1.9539486077670*y^6*x^3+.976\
98090879749*y^6*x^5-1.9539491448321*y^6*x^4-2.9309179450229*y^6*x^6-.976980436\
32804*y^6*x^9-2.9309216131020*y^6*x^8-.97697530627077*y^6*x^7+.97697152667115*
y^7*x^2+4.8848598795781*y^7*x^3-4.8848676479946*y^7*x^5-3.9078955509327*y^7*x^
4+.40601067124661e-5*y^7*x^6+3.9078885235630*y^7*x^8+3.9078928421103*y^7*x^7-1\
.9539445745518*y^8*x^2-2.9309208492639*y^8*x^3-4.8848689818321*y^8*x-2.9309171\
555493*y^8*x^5+2.9309217802674*y^8*x^4+4.8848690031469*y^8*x^6+1.9539533503910
*y^8*x^7-.97697299463183*y^9*x+1.9539492468457*y^9*x^2+4.8848726014210*y^9*x^3
-.97697381071832*y^9*x^5+.97697053651102*y^9*x^4-2.9309157141561*y^9*x^6-3.907\
8877979526*y^10*x-2.9309191222240*y^10*x^2+2.9309138217460*y^10*x^3-2.93091957\
07754*y^10*x^5-3.9079015051105*y^10*x^4-.97697793360111*y^11*x^4-4.88486670463\
60*y^11*x-3.9078926503059*y^11*x^3-.97697312207785*y^11*x^2+1.9539467098919*y^
12*x^3+3.9078940518418*y^12*x^2+1.9539501807161*y^12*x+1.9539456746085*y^13*x^
2-1.9539468390578*y^13*x+.97697554760193*y^14*x-4.8848663588713*y^9+3.90789315\
18154*y^10-4.8848676527992*y^11-1.9539485136518*y^12+3.9078958405644*y^13-3.90\
78916852462*y^14-1.9539489688565*y^15+.97697089501604*x^16*y+.97697510931079*x
^16*y^2+.97697120286814*x^17*y-.97696772453807*x^13*y^4-.97697051869624*x^12*y
^5-.97697502846087*x^10*y^8+.97697254893737*x^7*y^11-.97696875413491*x^6*y^10+
.97697288401713*x^2*y^16-.97697682306392*x^10*y^7-.97697622200309*y^16-.976970\
37466808*x^4*y^12-.21271660460477e-6*y^17+.82171369677701e-6*y^18+2.9309183876\
313*x^3*y^15+3.9078927211803*x*y^17+4.8848615089808*x*y^15-1.9539444002071*x*y
^16-4.8848649433948*x^8*y^9-3.9078941486828*x^14*y^2+2.9309218543779*x^14*y^3+
2.9309173898708*x^14*y^4-3.9078919931277*x^15*y-2.9309229242146*x^15*y^2+1.953\
9485505746*x^15*y^3+2.9309203232076*x^9*y^9-4.8848645364025*x^13*y^5-4.8848646\
158654*x^13*y^3+4.8848693101347*x^12*y^6-4.8848634800503*x^12*y^4-4.8848691117\
047*x^11*y^7-2.9309183089003*x^11*y^6-2.9309182035200*x^11*y^5+2.9309222041883
*x^10*y^6-4.8848689151172*x^9*y^8+2.9309209753114*x^9*y^7+4.8848643138403*x^8*
y^10-1.9539470456731*x^8*y^8+4.8848710590676*x^7*y^10+1.9539443453694*x^7*y^9-\
1.9539395849873*x^6*y^12-3.9078918279189*x^6*y^11-3.9078977260236*x^5*y^13-1.9\
539523979908*x^5*y^11-3.9078954421871*x^4*y^14-4.8848690739700*x^4*y^13-3.9078\
931252134*x^3*y^14-1.9539457982102*x^3*y^13-1.9539426978900*x^2*y^15-1.9539493\
217719*x^2*y^14+.24421331924930e-5*x^5*y^12-3.9078908086304];
t17n := 10348.093;
berror17 := .66102840897003e-6;