One starts from the polynomial
      
      and extends one by one with
      
      until the final polynomial defining this rule is reached.
      Note: Polynomials might be truncated due to size!
      The complete polynomials are included in the download.
    
Warning: This rule has negative weights!
| Node (ball center) | Error (ball radius) | 
|---|---|
| 0.990601043913489443 - 1.7169878669722569975e-1633j | 6.41e-470, 6.41e-470j | 
| -0.96827060709476223499 - 1.8892687988229497792e-1638j | 3.81e-471, 3.81e-471j | 
| -0.93063579134021037912 + 1.1802563633507611909e-1646j | 9.64e-473, 9.64e-473j | 
| 0.9962698516849579968 + 1.7442787153541677784e-1644j | 4.09e-469, 4.09e-469j | 
| 0.94147097342852656015 - 2.6106143833665373575e-1664j | 2.47e-472, 2.47e-472j | 
| 0.95135641437776942987 + 1.0830559196924772552e-1663j | 6.55e-472, 6.55e-472j | 
| -0.99899123479911379096 - 6.9479964480018427194e-1661j | 6.23e-470, 6.23e-470j | 
| -0.91886790061570877524 + 1.9237255184028472761e-1681j | 3.3e-473, 3.3e-473j | 
| -0.95135641437776942987 + 7.331601737488839727e-1678j | 6.45e-472, 6.45e-472j | 
| 0.45637292180990702251 + 2.0810644501542115895e-1710j | 2.33e-491, 2.33e-491j | 
| 0.8925803567021390921 - 3.8839375152830125036e-1692j | 3.95e-474, 3.95e-474j | 
| 0.98134105340165334096 + 1.0702978355292375039e-1685j | 1.74e-470, 1.74e-470j | 
| -0.94147097342852656015 + 2.256511322000362211e-1685j | 2.47e-472, 2.47e-472j | 
| -0.87808166300366904996 - 2.2226705381713750466e-1697j | 1.15e-474, 1.15e-474j | 
| -0.99422921837528759636 + 4.9857740444648479328e-1693j | 1.63e-469, 1.63e-469j | 
| 0.84645191483707086593 - 7.1097197800487803028e-1723j | 8.4e-476, 8.4e-476j | 
| 0.93063579134021037912 - 2.4088151322350090855e-1719j | 9.08e-473, 9.08e-473j | 
| 0.96827060709476223499 + 5.9806347346330472556e-1716j | 3.83e-471, 3.83e-471j | 
| -0.79266522580835584079 - 6.0387602477091604118e-1724j | 1.62e-477, 1.62e-477j | 
| -0.97530696168602053509 + 1.762796606109553453e-1715j | 8.16e-471, 8.16e-471j | 
| 0.53846931010568309104 + 6.3199945115709210573e-1741j | 7e-488, 7e-488j | 
| 0.79266522580835584079 - 2.4914007439524493173e-1730j | 1.66e-477, 1.66e-477j | 
| 0.99899123479911379096 - 5.8727530176182644623e-1721j | 6.42e-470, 6.42e-470j | 
| -0.86270010786725613922 + 1.1282475969603934746e-1741j | 3.1e-475, 3.1e-475j | 
| -0.81141684513575577466 + 1.5628158771723680529e-1743j | 6.16e-477, 6.16e-477j | 
| 0.98636654745089159236 + 5.569527149750749862e-1734j | 3.52e-470, 3.52e-470j | 
| 0.75279166267648895162 - 2.8400604436184460262e-1755j | 1.61e-478, 1.61e-478j | 
| -0.99704892862077601763 - 5.5101017529433023138e-1742j | 3.49e-469, 3.49e-469j | 
| 0.99704892862077601763 + 4.2194409348735866551e-1764j | 3.27e-469, 3.27e-469j | 
| -0.66412679996873183755 + 1.4193623564076737216e-1778j | 1.76e-482, 1.76e-482j | 
| -0.9061798459386639928 - 1.4949483691365894324e-1769j | 1.15e-473, 1.15e-473j | 
| 0.81141684513575577466 - 5.1481388032396607764e-1773j | 6.26e-477, 6.26e-477j | 
| 0.73170671410822820772 - 8.5757657960670418917e-1775j | 1.65e-478, 1.65e-478j | 
| 0.99987268608428655077 - 9.4732570812260220804e-1764j | 1.84e-470, 1.84e-470j | 
| -0.75279166267648895162 + 2.9864694887517884795e-1775j | 1.54e-478, 1.54e-478j | 
| -0.77311707610155210553 - 1.410290147828594059e-1774j | 4.5e-478, 4.5e-478j | 
| 0.97530696168602053509 - 1.8004119452615564517e-1767j | 8.63e-471, 8.63e-471j | 
| 0.66412679996873183755 + 8.9837327655053180086e-1780j | 1.81e-482, 1.81e-482j | 
| 0.86270010786725613922 + 5.5093396947948321829e-1773j | 3e-475, 3e-475j | 
| -0.8925803567021390921 + 7.6120256895186063472e-1770j | 3.63e-474, 3.63e-474j | 
| -0.59053882694702239807 - 7.2482188618454290006e-1782j | 1.12e-485, 1.12e-485j | 
| -0.18847441760531908906 + 2.2620182703369946035e-1799j | 7.12e-503, 7.12e-503j | 
| 0.73461527794085124617 + 3.6437290284017717572e-1775j | 2.23e-478, 2.23e-478j | 
| 0.68735255126326749856 + 9.1807566172267976912e-1779j | 2.08e-481, 2.08e-481j | 
| 0.99422921837528759636 - 7.8792582107353948099e-1767j | 1.67e-469, 1.67e-469j | 
| -0.64023330444654526229 - 1.1872392201145013043e-1780j | 1.55e-483, 1.55e-483j | 
| -0.73461527794085124617 + 9.3371894928745885651e-1775j | 2.11e-478, 2.11e-478j | 
| -0.99987268608428655077 + 2.8994259104511680644e-1763j | 1.83e-470, 1.83e-470j | 
| 0.48423445201682538676 + 2.838388557093779761e-1803j | 3.42e-490, 3.42e-490j | 
| 0.87808166300366904996 - 3.0261670182197421589e-1787j | 1.06e-474, 1.06e-474j | 
| -0.21940716173201854423 + 1.5808670634433539438e-1814j | 1.54e-501, 1.54e-501j | 
| -0.53846931010568309104 + 4.5335823213081955968e-1800j | 6.71e-488, 6.71e-488j | 
| 0.91886790061570877524 + 2.7674878987006114913e-1786j | 3.55e-473, 3.55e-473j | 
| 0.64023330444654526229 - 3.3049869511751439374e-1796j | 1.5e-483, 1.5e-483j | 
| 0.61569575940453445653 + 9.0898988517438942038e-1798j | 1.38e-484, 1.38e-484j | 
| -0.990601043913489443 + 2.0948883269737972014e-1779j | 6.74e-470, 6.74e-470j | 
| -0.51160911961725881224 - 1.4375343056285933475e-1815j | 5.09e-489, 5.09e-489j | 
| -0.96028574099262435973 - 1.0024624468316427453e-1794j | 1.6e-471, 1.6e-471j | 
| -0.98636654745089159236 - 1.9887616314644407113e-1809j | 3.77e-470, 3.77e-470j | 
| 0.42805259810846430137 - 4.9609357491257475058e-1860j | 1.47e-492, 1.47e-492j | 
| 0.9061798459386639928 - 7.0521082567164203787e-1840j | 1.11e-473, 1.11e-473j | 
| -0.82935205662858441836 - 9.8021668535780946791e-1841j | 2.23e-476, 2.23e-476j | 
| -0.48423445201682538676 - 2.8317621809706094096e-1857j | 3.44e-490, 3.44e-490j | 
| -0.73170671410822820772 - 1.9505415422963087761e-1843j | 1.51e-478, 1.51e-478j | 
| 0.59053882694702239807 - 6.5910735649787269998e-1853j | 1.08e-485, 1.08e-485j | 
| 0.56478801595126351663 - 1.2633549499123867054e-1854j | 9.03e-487, 9.03e-487j | 
| -0.9962698516849579968 - 8.3873867215425105387e-1840j | 3.84e-469, 3.84e-469j | 
| -0.42805259810846430137 + 1.1536301177476183962e-1879j | 1.47e-492, 1.47e-492j | 
| -0.70988727628188561682 + 9.1944008039351042775e-1867j | 2.73e-480, 2.73e-480j | 
| 0.82935205662858441836 - 1.5197101311935623354e-1860j | 2.23e-476, 2.23e-476j | 
| 0.3701498540017078954 + 6.032418560013466056e-1881j | 5.61e-495, 5.61e-495j | 
| -1.8714699259829781564e-1960 + 1.6316040590105170516e-1960j | 2.61e-1958, 2.61e-1958j | 
| -0.56478801595126351663 + 1.2182451372757317675e-1873j | 8.57e-487, 8.57e-487j | 
| -0.39930194032423810427 + 1.6774049520672345696e-1881j | 8.93e-494, 8.93e-494j | 
| 0.70988727628188561682 - 3.4692802105280068921e-1866j | 2.91e-480, 2.91e-480j | 
| 0.39930194032423810427 - 7.7938095137387965854e-1880j | 8.59e-494, 8.59e-494j | 
| 0.51160911961725881224 - 5.159793799456316858e-1875j | 5.18e-489, 5.18e-489j | 
| -0.68735255126326749856 - 1.5526571818687378547e-1867j | 2e-481, 2e-481j | 
| -0.31075917285367317576 + 1.4063027694417818554e-1884j | 1.48e-497, 1.48e-497j | 
| -0.84645191483707086593 + 1.7651855190425263877e-1861j | 9.46e-476, 9.46e-476j | 
| 0.96028574099262435973 - 5.4006316900133856572e-1863j | 1.61e-471, 1.61e-471j | 
| 0.34062569379797474164 - 9.9867382176897283445e-1889j | 2.95e-496, 2.95e-496j | 
| -0.98134105340165334096 - 8.3200836094674921747e-1874j | 1.84e-470, 1.84e-470j | 
| -0.3701498540017078954 - 2.9432451746036370988e-1898j | 5.44e-495, 5.44e-495j | 
| -0.61569575940453445653 + 3.6948599911665151046e-1888j | 1.3e-484, 1.3e-484j | 
| 0.094664992532687846521 + 1.5603976102839235378e-1909j | 6.09e-507, 6.09e-507j | 
| 0.25011941995004776852 + 9.5574190396416997167e-1903j | 3.32e-500, 3.32e-500j | 
| 0.77311707610155210553 - 1.8905045136425075486e-1901j | 4.66e-478, 4.66e-478j | 
| -0.45637292180990702251 + 3.9179766881178623088e-1916j | 2.25e-491, 2.25e-491j | 
| -0.25011941995004776852 - 1.2897074239497347145e-1925j | 3.42e-500, 3.42e-500j | 
| -0.094664992532687846521 - 3.6062582635349612613e-1932j | 6.18e-507, 6.18e-507j | 
| 0.31075917285367317576 + 2.0498287693093558248e-1924j | 1.5e-497, 1.5e-497j | 
| 0.28058030468504643438 - 7.3436176082018072154e-1925j | 6.79e-499, 6.79e-499j | 
| 0.063162896263424607943 - 7.622104367255833526e-1934j | 2.82e-508, 2.82e-508j | 
| -0.28058030468504643438 - 2.2450343743606400375e-1924j | 7.38e-499, 7.38e-499j | 
| -0.34062569379797474164 + 2.3885557932559575649e-1921j | 2.88e-496, 2.88e-496j | 
| 0.031597329340264860556 + 6.6061937998520732435e-1935j | 1.11e-509, 1.11e-509j | 
| 0.21940716173201854423 - 1.3455573923589739976e-1928j | 1.61e-501, 1.61e-501j | 
| 0.1260719735763238034 - 3.4718502994318850197e-1931j | 1.45e-505, 1.45e-505j | 
| -0.1260719735763238034 - 6.8715119541531619537e-1932j | 1.49e-505, 1.49e-505j | 
| -0.15735226539656034197 - 2.9472473416997297878e-1929j | 3.73e-504, 3.73e-504j | 
| -0.031597329340264860556 - 2.1981292461857161883e-1934j | 1.28e-509, 1.28e-509j | 
| 0.15735226539656034197 + 5.9759201345233916061e-1930j | 3.17e-504, 3.17e-504j | 
| 0.18847441760531908906 - 4.2614415232734792305e-1929j | 7.4e-503, 7.4e-503j | 
| -0.063162896263424607943 - 2.8015353524556929506e-1934j | 2.71e-508, 2.71e-508j | 
| Weight (ball center) | Error (ball radius) | 
|---|---|
| 0.0039290532564429282907 - 7.423330578702871388e-1634j | 6.14e-113, 2.97e-335j | 
| 0.0075153841049382990593 + 1.0430210309855891311e-1636j | 2.15e-113, 1.04e-335j | 
| 0.011304264722489544716 + 4.5978692655272791513e-1637j | 1.89e-113, 9.15e-336j | 
| -0.00015466981869768905097 - 4.8821826976309206174e-1633j | 1.04e-113, 5.03e-336j | 
| 0.010362946723263906172 - 2.1343516491102925168e-1635j | 3.55e-114, 1.71e-336j | 
| 0.0094066238731206224424 + 3.2445690109239575748e-1635j | 4.16e-114, 2.01e-336j | 
| 0.0014035969420160554959 + 1.8009892577896604176e-1636j | 2.71e-116, 1.31e-338j | 
| 0.012229475794846919246 - 4.0180368917982724263e-1637j | 1.37e-114, 6.63e-337j | 
| 0.0094066238731206224424 + 6.5042664007054399304e-1637j | 6.6e-115, 3.19e-337j | 
| 0.028095636761645942893 + 1.2649326153876667461e-1637j | 1.8e-117, 8.71e-340j | 
| 0.014051597950671331111 - 6.3730320981006335883e-1636j | 8.05e-117, 3.89e-339j | 
| 0.0055150362338084050728 + 3.9893349976133618524e-1634j | 7.09e-116, 3.42e-338j | 
| 0.010362946723263906172 - 5.4000340937827448695e-1637j | 7.09e-115, 3.42e-337j | 
| 0.014942969132153987524 + 3.1284731714460757198e-1637j | 5.73e-117, 2.77e-339j | 
| 0.003305421462543679791 - 6.485695234953643479e-1636j | 5.59e-117, 2.7e-339j | 
| 0.016676532200582534169 + 3.909200892857728131e-1636j | 2.57e-118, 1.24e-340j | 
| 0.011304264722489544716 + 1.4783918604852686046e-1635j | 6.09e-117, 2.94e-339j | 
| 0.0075153841049382990593 + 9.0953819059568689861e-1635j | 4.36e-117, 2.1e-339j | 
| 0.019153158286053030273 - 4.2563888668983912651e-1637j | 1.64e-120, 7.93e-343j | 
| 0.0065470157554446253507 - 1.3991987146954327905e-1636j | 6.7e-118, 3.23e-340j | 
| 0.026593894748348893696 - 2.3245224439827757809e-1637j | 3.32e-121, 1.6e-343j | 
| 0.019153158286053030273 - 3.8374091876172724476e-1636j | 5.83e-120, 2.82e-342j | 
| 0.0014035969420160554959 - 4.2514948544015837569e-1634j | 2.56e-118, 1.24e-340j | 
| 0.015817418548437023031 - 3.0445274934601586357e-1637j | 1.07e-120, 5.15e-343j | 
| 0.018346734646154305322 + 3.5538713707628486236e-1637j | 1.32e-121, 6.37e-344j | 
| 0.0045776801921546613829 - 1.179320325750065697e-1633j | 4.65e-118, 2.25e-340j | 
| 0.020707621436447953821 - 8.3819159588159492147e-1636j | 3.17e-123, 1.53e-345j | 
| 0.0025307481935442883441 - 1.0809769105346123905e-1635j | 1.18e-121, 5.68e-344j | 
| 0.0025307481935442883441 + 3.3162500612117794084e-1633j | 7.21e-118, 3.48e-340j | 
| 0.023563510654907005659 + 2.2791547638590119164e-1637j | 1.91e-126, 9.23e-349j | 
| 0.013145341522725085952 + 3.6013930088943153701e-1637j | 4.64e-121, 2.24e-343j | 
| 0.018346734646154305322 + 3.5769014590200869002e-1636j | 8.66e-123, 4.19e-345j | 
| 0.021446629343231491217 - 4.4095751544285588065e-1635j | 3.28e-124, 1.58e-346j | 
| 0.0003962841857461797792 + 1.0262766567531278324e-1634j | 5.86e-119, 2.83e-341j | 
| 0.020707621436447953821 - 1.1427087283680601197e-1636j | 1.77e-126, 8.55e-349j | 
| 0.019939952152516424575 + 5.8601484854152122127e-1637j | 8.68e-126, 4.19e-348j | 
| 0.0065470157554446253507 - 1.7640795270267992114e-1634j | 1.54e-119, 7.45e-342j | 
| 0.023563510654907005659 + 1.1556081769253859697e-1636j | 2.79e-127, 1.35e-349j | 
| 0.015817418548437023031 - 4.4169589544680189613e-1636j | 6.24e-124, 3.01e-346j | 
| 0.014051597950671331111 - 3.3114428072091689988e-1637j | 8.5e-125, 4.11e-347j | 
| 0.025458171741533485461 - 9.8581376297401715596e-1638j | 4.28e-131, 2.07e-353j | 
| 0.031032643181284163352 - 2.8262149554997962836e-1638j | 9.25e-134, 4.47e-356j | 
| 9.6401257191475829567e-06 + 4.6618233709644697262e-1635j | 7.34e-125, 3.55e-347j | 
| 0.022884124592728145567 - 1.9855008637916980454e-1636j | 4.14e-127, 2e-349j | 
| 0.003305421462543679791 + 3.5292024506170507814e-1633j | 1.44e-119, 6.96e-342j | 
| 0.024219542450008954758 - 1.6236054277616847498e-1637j | 9.86e-131, 4.76e-353j | 
| 9.6401257191475829567e-06 + 6.9136662276621842213e-1636j | 7.2e-129, 3.48e-351j | 
| 0.0003962841857461797792 - 4.8014521164074978274e-1637j | 3.63e-128, 1.75e-350j | 
| 0.027622744348494603618 - 1.5219825888488731628e-1637j | 1.04e-131, 5.01e-354j | 
| 0.014942969132153987524 + 5.2031738237476215676e-1636j | 7.14e-125, 3.45e-347j | 
| 0.030827665672725052651 + 2.8792610304339044368e-1638j | 3.38e-136, 1.63e-358j | 
| 0.026593894748348893696 - 6.8718291127713637381e-1638j | 1.66e-134, 8.04e-357j | 
| 0.012229475794846919246 - 1.0724586670593886811e-1635j | 2.01e-124, 9.72e-347j | 
| 0.024219542450008954758 - 7.5598048345006944161e-1637j | 1.17e-129, 5.67e-352j | 
| 0.024851433690254967241 + 5.3008288069143647249e-1637j | 1.55e-130, 7.51e-353j | 
| 0.0039290532564429282907 + 3.4261920467127885508e-1636j | 6.14e-130, 2.96e-352j | 
| 0.027121985027168666763 + 5.9380356417364959456e-1638j | 3.09e-137, 1.49e-359j | 
| 0.0084546161748893840638 - 7.9895968287263588981e-1637j | 3.98e-130, 1.92e-352j | 
| 0.0045776801921546613829 - 2.5452963055762060917e-1636j | 2.59e-130, 1.25e-352j | 
| 0.02854026895086207706 - 1.067293021064859786e-1637j | 4.27e-138, 2.06e-360j | 
| 0.013145341522725085952 + 8.1089247177549656027e-1636j | 5.36e-129, 2.59e-351j | 
| 0.017520491624794111851 - 3.2123968973103344865e-1637j | 5.61e-133, 2.71e-355j | 
| 0.027622744348494603618 - 5.2245539076926570453e-1638j | 1.45e-139, 6.99e-362j | 
| 0.021446629343231491217 - 6.625094176626583669e-1636j | 1.34e-133, 6.46e-356j | 
| 0.025458171741533485461 - 3.8972381258519874741e-1637j | 4.26e-136, 2.06e-358j | 
| 0.026039119357061088769 + 2.9682190024275220445e-1637j | 9.87e-137, 4.77e-359j | 
| -0.00015466981869768905097 + 1.3998617081471322179e-1635j | 1.53e-130, 7.38e-353j | 
| 0.02854026895086207706 - 4.2315523361536445869e-1638j | 1.75e-142, 8.46e-365j | 
| 0.022181404276749522275 + 7.2834325659589238185e-1637j | 2.07e-136, 9.98e-359j | 
| 0.017520491624794111851 - 3.6290053450456431294e-1636j | 7.08e-134, 3.42e-356j | 
| 0.029343049057549346875 - 7.9061840775057561536e-1638j | 3.23e-143, 1.56e-365j | 
| 0.031602625446985778321 - 2.9815966058095393915e-1638j | 3.01e-147, 1.46e-369j | 
| 0.026039119357061088769 + 8.1239496954339759383e-1638j | 9.05e-140, 4.37e-362j | 
| 0.028956229180393198303 + 3.8831163280675955001e-1638j | 8.79e-144, 4.25e-366j | 
| 0.022181404276749522275 + 4.4140863262856139366e-1636j | 9.41e-136, 4.55e-358j | 
| 0.028956229180393198303 + 9.1289055393298341314e-1638j | 1.66e-142, 8.03e-365j | 
| 0.027121985027168666763 + 1.8626676069307838808e-1637j | 1.45e-139, 7e-362j | 
| 0.022884124592728145567 - 3.5868479012526583313e-1637j | 1.3e-138, 6.26e-361j | 
| 0.030027722198493034389 - 3.2041540553407679336e-1638j | 1.62e-146, 7.82e-369j | 
| 0.016676532200582534169 + 3.0642391772891698487e-1637j | 1.72e-137, 8.29e-360j | 
| 0.0084546161748893840638 - 5.2309000515149108187e-1635j | 6.66e-136, 3.22e-358j | 
| 0.02970031806607901224 + 6.9266123062392274717e-1638j | 4.2e-146, 2.03e-368j | 
| 0.0055150362338084050728 + 1.8931000381266400638e-1636j | 6.19e-136, 2.99e-358j | 
| 0.029343049057549346875 - 3.6044658163348504838e-1638j | 9.72e-146, 4.7e-368j | 
| 0.024851433690254967241 + 1.2368253832559105664e-1637j | 1.08e-140, 5.23e-363j | 
| 0.03145980780684451738 + 3.3965087566377016999e-1638j | 4.43e-151, 2.14e-373j | 
| 0.030591701794340633344 - 4.9563580894540370721e-1638j | 1.74e-149, 8.41e-372j | 
| 0.019939952152516424575 + 4.7553362496937781725e-1636j | 1.01e-139, 4.88e-362j | 
| 0.028095636761645942893 + 4.669377388617498814e-1638j | 1.85e-144, 8.94e-367j | 
| 0.030591701794340633344 - 2.9578014140440763651e-1638j | 8.87e-149, 4.28e-371j | 
| 0.03145980780684451738 + 2.8038928445900388686e-1638j | 1.9e-151, 9.16e-374j | 
| 0.030027722198493034389 - 6.1340450665881423933e-1638j | 6.98e-149, 3.37e-371j | 
| 0.030324959083246584886 + 5.4874437964983143804e-1638j | 1.12e-149, 5.4e-372j | 
| 0.03153911069705884444 - 3.2271072192410833322e-1638j | 1.12e-152, 5.39e-375j | 
| 0.030324959083246584886 + 3.0647478169566465892e-1638j | 3.8e-150, 1.84e-372j | 
| 0.02970031806607901224 + 3.3815546651197232007e-1638j | 2.07e-149, 9.98e-372j | 
| 0.031586738434304800956 + 3.0900418239918175306e-1638j | 3.17e-153, 1.53e-375j | 
| 0.030827665672725052651 + 4.5178844989193974677e-1638j | 5.38e-153, 2.6e-375j | 
| 0.031348890920961612492 - 3.6030930052788154001e-1638j | 9.48e-154, 4.57e-376j | 
| 0.031348890920961612492 - 2.7894127391611962539e-1638j | 4.46e-154, 2.15e-376j | 
| 0.031206449817424719186 + 2.7966717807044141079e-1638j | 8.25e-154, 3.99e-376j | 
| 0.031586738434304800956 + 2.8989815294196435026e-1638j | 6.21e-155, 3.02e-377j | 
| 0.031206449817424719186 + 3.8531112192618425783e-1638j | 2.55e-155, 1.25e-377j | 
| 0.031032643181284163352 - 4.1545951853745711226e-1638j | 2.64e-155, 1.31e-377j | 
| 0.03153911069705884444 - 2.8401872221130743135e-1638j | 2.3e-155, 1.08e-377j | 
All rules of Legendre type can be downloaded here packed into a single file.