facF10 := [1.8750822355377-1.8750613221372*y+1.8751074047684*x+.62508699942196
*y^6*x^5+.62502855240037*x*y^9+.62503042682159*x^5*y^3-.62502982193285*x^6*y^3
+.62505903283726*x^2*y^6-.62500858887903*x^2*y^5+.62503612299588*x*y^6+.625013\
06318963*x^11*y+.62502951173189*x^9*y^2-.62502165984582*x^4*y^2-.6250096346866\
8*x*y^2-.62502800308833*x*y+.62504221511932*y^10*x+.62503142322200*y^9*x^3+.62\
502309480065*y^11*x-.62500743325086*x^7*y^5+3.1251100642141*x^3*y^6-2.50014666\
20847*y^7*x^4-1.8750565161253*y^8*x^4-2.5000864826699*x^10*y^2-3.1251497146748
*y^5*x^6-2.5000949375421*x^3*y^4+1.8750970697192*x^9*y-1.2500431593943*x^4*y^5
+3.1250979757019*x^4*y^4-1.2500437417408*x^4*y^6-2.5001435560564*x^5*y^2-1.875\
0752205076*x^3+1.8750246537793*y^6+3.1251433409816*y^7+1.2500359826637*y^5-2.5\
001441692495*y^4+3.1251335824492*x^6+.62496617652917*y^8+2.5000955439243*x^12-\
1.2500561011155*x^10+1.8750587655038*y^12+1.8750795498346*y^9+1.2500409694188*
x^9+.62501619961571*x^4+.23484958965571e-4*x^5+.62506793183998*x^7+3.125155537\
6259*x^8-.11264094577924e-4*x^2+1.2500155801475*y^10+.62503252632702*x^2*y^2-2\
.5001263828602*y^2+1.8751150488750*x^11+2.5001037663186*y^11-.41854547213573e-\
5*y^3+1.2500419546405*y^6*x^6+1.2500353453561*x^5*y^5-3.1250971174695*x^6*y^2-\
1.8750566458592*x^6*y-1.2500583054403*x^6*y^4-3.1251398343407*x^7*y+1.87510816\
57056*x^7*y^3+1.8750950786615*x^7*y^2-2.5000658111110*x^7*y^4-2.5001086308028*
x^8*y^2-2.5000900941407*x^8*y-3.1251352131103*x^2*y^8+2.5001283223294*x^2*y^7-\
1.8750116043698*x^3*y^7-3.1251256547589*x^3*y^5+1.8750704007638*x^4*y^3-3.1251\
509287062*x^10*y+1.8750745307619*x*y^7+1.2500875894830*x*y^8-2.5000695544721*x
^8*y^3-1.2500632311247*x^8*y^4-2.5000752850179*x^9*y^3-1.8750936197668*x^4*y-2\
.5001255959362*x^5*y+2.5001090428224*x^2*y+2.5001080032750*x^2*y^4-1.250048115\
4245*x^3*y+3.1251174868037*x^3*y^2-2.5000896865461*x^3*y^3+1.8750659123662*x*y
^3-2.5000904924432*x*y^4+3.1251245729956*y^8*x^3-3.1251294292107*y^9*x^2+3.125\
1226991326*y^10*x^2+.18146057362803e-4*x^2*y^3+.21851952162980e-5*x*y^5+.\
19510751445942e-4*y^7*x^5+.32444389744274e-4*y^4*x^5, -2.7546699043536*y-.\
11022468769763e-4*x+3.6728991325327*x^2*y^5-4.5911000506890*x*y^6-.91817107487\
981*x^4*y^2+2.7546449836458*x*y^2+3.6728978910059*x*y+4.5911164977694*x^3*y^4+
2.7546211897890*x^5*y^2-.34814217022312e-4*x^3+.13655716959879e-4*y^6-.9182133\
5167211*y^7+2.7546654380129*y^5-1.8364354077995*y^4-2.7546097552530*x^6+3.6728\
937773275*x^4-4.5911135908462*x^5+3.6728661563684*x^7+3.6728657229630*x^2-.\
15892621528905e-4*x^2*y^2+4.5910652934625*y^2-4.5910732137552*y^3+4.5910485400\
873*x^6*y+1.8364093866633*x^4*y^3+.91817472631376*x^4*y+1.8364589691649*x^5*y-\
3.6728867712097*x^2*y-1.8364735655003*x^2*y^4-.91816373664693*x^3*y-3.67289541\
71342*x^3*y^2-3.6727938539996*x^3*y^3-1.8364337722141*x*y^3+3.6728717867686*x*
y^4-1.8364330374409*x^2*y^3-3.6728718287774*x*y^5+3.6728618769984, -3.48486708\
08143*y-6.9697603411450*x+5.2272446962891*x*y^2-1.7424406601997*x*y+6.96969643\
29439*x^3+8.7121529203666*y^5-6.9697213979431*y^4+6.9697659408469*x^4+6.969739\
2401442*x^5-3.4848899817285*x^2-8.7122218249757*x^2*y^2+1.7424124398509*y^2-8.\
7121719504207*y^3-.32117054553842e-4*x^4*y-6.9697690198072*x^2*y-8.71224267457\
60*x^3*y-8.7122044895045*x^3*y^2-.62743308948220e-4*x*y^3-6.9697391135830*x*y^
4-6.9697894158703*x^2*y^3-3.4848857693833];
t10n := 1766.671;
berror10 := 1.0000000000003, .80162590604801e-5;