// eta < 0
// x y dy
0.006283	11.717928	0.027310
0.018850	11.752936	0.027351
0.031416	11.739378	0.027335
0.043982	11.714045	0.027306
0.056549	11.631553	0.027210
0.069115	11.598645	0.027171
0.081681	11.526911	0.027087
0.094248	11.442891	0.026988
0.106814	11.319662	0.026842
0.119381	11.487956	0.027041
0.131947	11.595590	0.027167
0.144513	11.625379	0.027202
0.157080	11.658159	0.027241
0.169646	11.773368	0.027375
0.182212	11.960884	0.027592
0.194779	12.147828	0.027807
0.207345	12.271629	0.027948
0.219911	12.404979	0.028100
0.232478	12.536036	0.028248
0.245044	12.604843	0.028325
0.257611	12.539474	0.028252
0.270177	12.588039	0.028306
0.282743	12.562579	0.028278
0.295310	12.456027	0.028157
0.307876	12.380600	0.028072
0.320442	12.245787	0.027919
0.333009	12.074120	0.027722
0.345575	11.914419	0.027538
0.358142	11.693295	0.027282
0.370708	11.697814	0.027287
0.383274	11.883166	0.027502
0.395841	11.895005	0.027516
0.408407	11.965213	0.027597
0.420973	12.122049	0.027777
0.433540	12.060307	0.027707
0.446106	12.002258	0.027640
0.458673	12.017788	0.027658
0.471239	12.040194	0.027683
0.483805	12.054006	0.027699
0.496372	12.136116	0.027793
0.508938	12.309120	0.027991
0.521504	12.212943	0.027881
0.534071	12.165459	0.027827
0.546637	12.145791	0.027805
0.559203	12.090733	0.027741
0.571770	12.050696	0.027696
0.584336	12.162213	0.027823
0.596903	12.088887	0.027739
0.609469	12.143881	0.027802
0.622035	12.006204	0.027644
0.634602	12.008113	0.027647
0.647168	11.905253	0.027528
0.659734	11.806976	0.027414
0.672301	11.819197	0.027428
0.684867	11.964640	0.027596
0.697434	12.014924	0.027654
0.710000	12.037393	0.027680
0.722566	12.211670	0.027880
0.735133	12.326624	0.028011
0.747699	12.615218	0.028337
0.760265	12.529799	0.028241
0.772832	12.608344	0.028329
0.785398	12.636669	0.028361
0.797965	12.637369	0.028362
0.810531	12.489826	0.028196
0.823097	12.351512	0.028039
0.835664	12.193084	0.027859
0.848230	12.068518	0.027716
0.860796	11.873428	0.027491
0.873363	11.693104	0.027281
0.885929	11.561537	0.027128
0.898495	11.551034	0.027115
0.911062	11.585151	0.027155
0.923628	11.641928	0.027222
0.936195	11.722447	0.027316
0.948761	11.740842	0.027337
0.961327	11.731740	0.027327
0.973894	11.717291	0.027310
0.986460	11.824480	0.027434
0.999026	11.920975	0.027546
1.011593	12.045604	0.027690
1.024159	12.105372	0.027758
1.036726	12.160558	0.027821
1.049292	12.126123	0.027782
1.061858	12.076220	0.027725
1.074425	12.059926	0.027706
1.086991	12.079021	0.027728
1.099557	12.020207	0.027660
1.112124	11.950827	0.027581
1.124690	12.021417	0.027662
1.137257	12.121858	0.027777
1.149823	12.020653	0.027661
1.162389	11.953564	0.027584
1.174956	12.120967	0.027776
1.187522	12.155784	0.027816
1.200088	12.078830	0.027728
1.212655	12.185509	0.027850
1.225221	12.237067	0.027909
1.237788	12.273284	0.027950
1.250354	12.377418	0.028068
1.262920	12.447943	0.028148
1.275487	12.411153	0.028107
1.288053	12.564297	0.028280
1.300619	12.576709	0.028294
1.313186	12.632213	0.028356
1.325752	12.519614	0.028229
1.338318	12.461437	0.028164
1.350885	12.337954	0.028024
1.363451	12.186528	0.027851
1.376018	12.010532	0.027649
1.388584	11.752872	0.027351
1.401150	11.667707	0.027252
1.413717	11.474462	0.027025
1.426283	11.357853	0.026888
1.438849	11.481018	0.027033
1.451416	11.447601	0.026994
1.463982	11.618186	0.027194
1.476549	11.782852	0.027386
1.489115	11.926449	0.027552
1.501681	12.162404	0.027824
1.514248	12.195439	0.027861
1.526814	12.012251	0.027651
1.539380	11.798765	0.027404
1.551947	11.486683	0.027040
1.564513	9.832643	0.025017
1.577080	11.082180	0.026559
1.589646	11.948663	0.027578
1.602212	12.169087	0.027831
1.614779	12.259599	0.027935
1.627345	12.197603	0.027864
1.639911	12.136562	0.027794
1.652478	11.848795	0.027463
1.665044	11.560455	0.027126
1.677610	11.421441	0.026963
1.690177	11.340031	0.026866
1.702743	11.303559	0.026823
1.715310	11.345505	0.026873
1.727876	11.300376	0.026819
1.740442	11.305659	0.026826
1.753009	11.454794	0.027002
1.765575	11.645047	0.027225
1.778141	11.836192	0.027448
1.790708	12.023262	0.027664
1.803274	12.185637	0.027850
1.815841	12.282641	0.027961
1.828407	12.206896	0.027874
1.840973	12.085259	0.027735
1.853540	12.256926	0.027931
1.866106	12.325924	0.028010
1.878672	12.162149	0.027823
1.891239	11.934787	0.027562
1.903805	11.775723	0.027378
1.916372	11.534039	0.027095
1.928938	11.432580	0.026976
1.941504	11.524619	0.027084
1.954071	11.448047	0.026994
1.966637	11.353652	0.026883
1.979203	11.432452	0.026976
1.991770	11.462623	0.027011
2.004336	11.534294	0.027096
2.016902	11.754018	0.027352
2.029469	11.725439	0.027319
2.042035	11.522901	0.027082
2.054602	11.429079	0.026972
2.067168	11.487765	0.027041
2.079734	11.577895	0.027147
2.092301	11.678273	0.027264
2.104867	11.689348	0.027277
2.117433	11.838483	0.027451
2.130000	11.924285	0.027550
2.142566	11.934915	0.027562
2.155133	11.935233	0.027563
2.167699	11.841920	0.027455
2.180265	11.776360	0.027378
2.192832	11.633399	0.027212
2.205398	11.618632	0.027194
2.217964	11.618696	0.027195
2.230531	11.614113	0.027189
2.243097	11.654468	0.027236
2.255664	11.653004	0.027235
2.268230	11.740524	0.027337
2.280796	11.814932	0.027423
2.293363	12.054515	0.027700
2.305929	12.073165	0.027721
2.318495	12.212497	0.027881
2.331062	12.355267	0.028043
2.343628	12.377990	0.028069
2.356194	12.439796	0.028139
2.368761	12.533108	0.028244
2.381327	12.613627	0.028335
2.393894	12.513440	0.028222
2.406460	12.292762	0.027972
2.419026	12.223318	0.027893
2.431593	11.836828	0.027449
2.444159	11.734350	0.027330
2.456725	11.556763	0.027122
2.469292	11.665288	0.027249
2.481858	11.572230	0.027140
2.494425	11.527993	0.027088
2.506991	11.608384	0.027182
2.519557	11.736705	0.027332
2.532124	11.752618	0.027351
2.544690	11.739633	0.027336
2.557256	11.765666	0.027366
2.569823	11.904935	0.027527
2.582389	12.010787	0.027650
2.594956	11.996465	0.027633
2.607522	12.003085	0.027641
2.620088	12.131597	0.027788
2.632655	12.178635	0.027842
2.645221	12.245851	0.027919
2.657787	12.197921	0.027864
2.670354	12.130069	0.027787
2.682920	12.133952	0.027791
2.695486	12.088123	0.027738
2.708053	12.056297	0.027702
2.720619	12.099898	0.027752
2.733186	12.061835	0.027708
2.745752	12.001366	0.027639
2.758318	11.920720	0.027546
2.770885	12.052860	0.027698
2.783451	12.145791	0.027805
2.796017	12.187610	0.027852
2.808584	12.210779	0.027879
2.821150	12.392185	0.028085
2.833717	12.579956	0.028297
2.846283	12.577282	0.028294
2.858849	12.554050	0.028268
2.871416	12.486834	0.028192
2.883982	12.532408	0.028244
2.896548	12.568498	0.028284
2.909115	12.554304	0.028268
2.921681	12.518787	0.028228
2.934248	12.381428	0.028073
2.946814	12.244514	0.027917
2.959380	11.996656	0.027633
2.971947	12.042931	0.027687
2.984513	11.915819	0.027540
2.997079	11.843702	0.027457
3.009646	11.819706	0.027429
3.022212	11.746253	0.027343
3.034779	11.742306	0.027339
3.047345	11.720346	0.027313
3.059911	11.650330	0.027232
3.072478	11.768721	0.027370
3.085044	11.864898	0.027481
3.097610	11.966104	0.027598
3.110177	12.110146	0.027764
3.122743	12.111801	0.027766
3.135309	12.226692	0.027897
3.147876	12.375890	0.028067
3.160442	12.406506	0.028101
3.173009	12.400014	0.028094
3.185575	12.363924	0.028053
3.198141	12.379518	0.028071
3.210708	12.403260	0.028098
3.223274	12.294862	0.027975
3.235840	12.087868	0.027738
3.248407	11.999075	0.027636
3.260973	11.917729	0.027542
3.273540	11.797810	0.027403
3.286106	11.846121	0.027459
3.298672	11.858979	0.027474
3.311239	11.916265	0.027541
3.323805	12.006459	0.027645
3.336371	12.081376	0.027731
3.348938	12.280286	0.027958
3.361504	12.429039	0.028127
3.374071	12.636096	0.028360
3.386637	12.608280	0.028329
3.399203	12.641825	0.028367
3.411770	12.678360	0.028408
3.424336	12.598287	0.028318
3.436902	12.679188	0.028409
3.449469	12.524706	0.028235
3.462035	12.285569	0.027964
3.474601	11.997547	0.027634
3.487168	11.856624	0.027472
3.499734	11.783807	0.027387
3.512301	11.812641	0.027421
3.524867	11.894114	0.027515
3.537433	11.771267	0.027373
3.550000	11.708762	0.027300
3.562566	11.781834	0.027385
3.575132	11.985772	0.027621
3.587699	12.055597	0.027701
3.600265	12.147191	0.027806
3.612832	12.148910	0.027808
3.625398	12.124531	0.027780
3.637964	12.127523	0.027784
3.650531	12.024154	0.027665
3.663097	12.014924	0.027654
3.675663	12.107155	0.027760
3.688230	12.232357	0.027903
3.700796	12.162977	0.027824
3.713363	12.245978	0.027919
3.725929	12.123513	0.027779
3.738495	12.045413	0.027689
3.751062	11.995129	0.027632
3.763628	12.018170	0.027658
3.776194	12.131915	0.027789
3.788761	12.033510	0.027676
3.801327	11.974951	0.027608
3.813893	11.917411	0.027542
3.826460	11.903980	0.027526
3.839026	11.835937	0.027448
3.851593	11.935360	0.027563
3.864159	12.139680	0.027798
3.876725	12.346038	0.028033
3.889292	12.415290	0.028111
3.901858	12.372071	0.028062
3.914424	12.449980	0.028151
3.926991	12.501092	0.028208
3.939557	12.484352	0.028189
3.952124	12.578683	0.028296
3.964690	12.432094	0.028130
3.977256	12.313639	0.027996
3.989823	12.147319	0.027806
4.002389	11.881575	0.027500
4.014955	11.757137	0.027356
4.027522	11.568857	0.027136
4.040088	11.493239	0.027047
4.052655	11.427169	0.026969
4.065221	11.443146	0.026988
4.077787	11.506542	0.027063
4.090354	11.531048	0.027092
4.102920	11.571785	0.027140
4.115486	11.675472	0.027261
4.128053	11.686866	0.027274
4.140619	11.727921	0.027322
4.153185	11.797937	0.027404
4.165752	11.805639	0.027412
4.178318	11.816396	0.027425
4.190885	11.874701	0.027493
4.203451	11.960630	0.027592
4.216017	12.046750	0.027691
4.228584	12.070619	0.027718
4.241150	11.912891	0.027537
4.253716	11.980298	0.027614
4.266283	11.932750	0.027560
4.278849	11.901243	0.027523
4.291416	11.883803	0.027503
4.303982	11.890550	0.027511
4.316548	11.833900	0.027445
4.329115	11.769803	0.027371
4.341681	11.764329	0.027364
4.354247	11.763820	0.027364
4.366814	11.894751	0.027516
4.379380	12.178508	0.027842
4.391947	12.452972	0.028154
4.404513	12.374108	0.028065
4.417079	12.495236	0.028202
4.429646	12.426365	0.028124
4.442212	12.265455	0.027941
4.454778	12.327515	0.028012
4.467345	12.318668	0.028002
4.479911	12.279331	0.027957
4.492477	12.129624	0.027786
4.505044	12.192320	0.027858
4.517610	11.785207	0.027389
4.530177	11.577513	0.027146
4.542743	11.387324	0.026922
4.555309	11.299930	0.026819
4.567876	11.252256	0.026762
4.580442	11.278671	0.026794
4.593008	11.277971	0.026793
4.605575	11.356453	0.026886
4.618141	11.363263	0.026894
4.630708	11.563637	0.027130
4.643274	11.934405	0.027562
4.655840	12.125041	0.027781
4.668407	12.145727	0.027804
4.680973	12.101617	0.027754
4.693539	11.949236	0.027579
4.706106	11.047744	0.026518
4.718672	9.804510	0.024981
4.731239	11.381468	0.026915
4.743805	11.785716	0.027389
4.756371	12.017025	0.027657
4.768938	12.005886	0.027644
4.781504	11.915310	0.027539
4.794070	12.092197	0.027743
4.806637	12.175771	0.027839
4.819203	11.942680	0.027571
4.831770	11.701888	0.027292
4.844336	11.503869	0.027060
4.856902	11.442127	0.026987
4.869469	11.541550	0.027104
4.882035	11.598900	0.027171
4.894601	11.839820	0.027452
4.907168	11.943635	0.027572
4.919734	12.083858	0.027734
4.932300	12.250370	0.027924
4.944867	12.445333	0.028145
4.957433	12.480405	0.028185
4.970000	12.352785	0.028040
4.982566	12.385247	0.028077
4.995132	12.290788	0.027970
5.007699	12.319559	0.028003
5.020265	12.063745	0.027710
5.032831	12.091497	0.027742
5.045398	11.991564	0.027627
5.057964	11.815378	0.027424
5.070531	11.713790	0.027306
5.083097	11.648293	0.027229
5.095663	11.545688	0.027109
5.108230	11.480954	0.027033
5.120796	11.455176	0.027003
5.133362	11.613922	0.027189
5.145929	11.771331	0.027373
5.158495	11.720601	0.027314
5.171062	11.624424	0.027201
5.183628	11.654977	0.027237
5.196194	11.542696	0.027105
5.208761	11.585915	0.027156
5.221327	11.592217	0.027164
5.233893	11.673945	0.027259
5.246460	11.689030	0.027277
5.259026	11.691576	0.027280
5.271592	11.685593	0.027273
5.284159	11.563383	0.027130
5.296725	11.397253	0.026934
5.309292	11.349578	0.026878
5.321858	11.211965	0.026714
5.334424	11.189559	0.026688
5.346991	11.006753	0.026469
5.359557	10.886389	0.026324
5.372123	10.842660	0.026271
5.384690	10.763542	0.026175
5.397256	10.727897	0.026131
5.409823	10.935082	0.026382
5.422389	11.106240	0.026588
5.434955	11.316225	0.026838
5.447522	11.571594	0.027139
5.460088	11.770249	0.027371
5.472654	11.959484	0.027590
5.485221	11.957893	0.027589
5.497787	12.165332	0.027827
5.510354	12.169342	0.027832
5.522920	12.079721	0.027729
5.535486	11.959866	0.027591
5.548053	11.762420	0.027362
5.560619	11.686675	0.027274
5.573185	11.449829	0.026996
5.585752	11.124826	0.026610
5.598318	10.925916	0.026371
5.610884	10.731780	0.026136
5.623451	10.724396	0.026127
5.636017	10.668956	0.026059
5.648584	10.626628	0.026008
5.661150	10.560367	0.025926
5.673716	10.577299	0.025947
5.686283	10.504482	0.025858
5.698849	10.535862	0.025896
5.711415	10.574434	0.025944
5.723982	10.739927	0.026146
5.736548	10.830057	0.026255
5.749115	10.783910	0.026199
5.761681	10.827448	0.026252
5.774247	10.748520	0.026156
5.786814	10.584618	0.025956
5.799380	10.594866	0.025969
5.811946	10.675831	0.026068
5.824513	10.736681	0.026142
5.837079	10.828530	0.026254
5.849646	10.924707	0.026370
5.862212	10.943229	0.026392
5.874778	10.941383	0.026390
5.887345	10.904529	0.026346
5.899911	10.904084	0.026345
5.912477	11.081352	0.026558
5.925044	11.446010	0.026992
5.937610	11.535440	0.027097
5.950176	11.527929	0.027088
5.962743	11.738232	0.027334
5.975309	11.780688	0.027383
5.987876	11.859297	0.027475
6.000442	11.874764	0.027493
6.013008	11.918111	0.027543
6.025575	11.839565	0.027452
6.038141	11.773941	0.027376
6.050707	11.534103	0.027095
6.063274	11.381022	0.026915
6.075840	11.030622	0.026497
6.088407	10.694480	0.026091
6.100973	10.395002	0.025723
6.113539	10.296406	0.025600
6.126106	10.246567	0.025538
6.138672	10.258533	0.025553
6.151238	10.315629	0.025624
6.163805	10.402703	0.025732
6.176371	10.606705	0.025983
6.188938	10.735281	0.026140
6.201504	10.902238	0.026343
6.214070	11.170909	0.026665
6.226637	11.312852	0.026834
6.239203	11.347923	0.026876
6.251769	11.464087	0.027013
6.264336	11.630726	0.027209
6.276902	11.716718	0.027309