> 3.5 contour -Z3.5
178.032483073	50.8409	3.5
178.026766667	50.8432193368	3.5
178.0101	50.8518758019	3.5
177.997813575	50.8575216216	3.5
177.993433333	50.8590177266	3.5
177.976766667	50.8627114152	3.5
177.9601	50.865129238	3.5
177.943433333	50.8681224928	3.5
177.926766667	50.8731101607	3.5
177.924134354	50.8741432432	3.5
177.9101	50.8785328117	3.5
177.893433333	50.8833492224	3.5
177.876766667	50.8868440259	3.5
177.8601	50.8897688891	3.5
177.855695781	50.8907648649	3.5
177.843433333	50.8932126096	3.5
177.826766667	50.8976182823	3.5
177.8101	50.9022308091	3.5
177.793433333	50.9062085096	3.5
177.788275634	50.9073864865	3.5
177.776766667	50.909835642	3.5
177.7601	50.913966414	3.5
177.743433333	50.9184715531	3.5
177.726766667	50.9226522101	3.5
177.721061894	50.9240081081	3.5
177.7101	50.9265532551	3.5
177.693433333	50.9308303058	3.5
177.676766667	50.9354524535	3.5
177.6601	50.939891491	3.5
177.657308587	50.9406297297	3.5
177.643433333	50.9443035909	3.5
177.626766667	50.9490817938	3.5
177.6101	50.9540460932	3.5
177.599167299	50.9572513514	3.5
177.593433333	50.958946617	3.5
177.576766667	50.9640164396	3.5
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177.543433333	50.9744490593	3.5
177.526766667	50.9797775386	3.5
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177.493433333	50.9911166823	3.5
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177.443433333	51.0093100577	3.5
177.426766667	51.0156447128	3.5
177.4101	51.0221431085	3.5
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177.3101	51.0627070277	3.5
177.293433333	51.0701443012	3.5
177.286046048	51.0736027027	3.5
177.276766667	51.0779794799	3.5
177.2601	51.086127963	3.5
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177.226766667	51.1025498421	3.5
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177.2101	51.1106959472	3.5
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177.126766667	51.1540914461	3.5
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177.093433333	51.1734109148	3.5
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176.643433333	51.5617984288	3.5
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176.6101	51.6065705457	3.5
176.600316864	51.6221162162	3.5
176.593433333	51.6334913049	3.5
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176.576766667	51.6611335474	3.5
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176.5601	51.6900349515	3.5
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176.54354189	51.7218459459	3.5
176.543433333	51.7220682093	3.5
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176.527463932	51.7550891892	3.5
176.526766667	51.7566487839	3.5
176.519514931	51.7717108108	3.5
176.51159171	51.7883324324	3.5
176.5101	51.7914814258	3.5
176.502691626	51.8049540541	3.5
176.494149611	51.8215756757	3.5
176.493433333	51.8231384407	3.5
176.484901396	51.8381972973	3.5
176.476766667	51.8547731053	3.5
176.476736678	51.8548189189	3.5
176.467441438	51.8714405405	3.5
176.4601	51.8861908164	3.5
> 3.5 contour -Z3.5
178.887716926	50.8409	3.5
178.893433333	50.8432193373	3.5
178.9101	50.8518758019	3.5
178.922386424	50.8575216216	3.5
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178.976766667	50.8681224933	3.5
178.993433333	50.8731101609	3.5
178.996065645	50.8741432432	3.5
179.0101	50.8785328117	3.5
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179.076766667	50.8932126101	3.5
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179.276766667	50.9443035909	3.5
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179.326766667	50.9589466165	3.5
179.343433333	50.9640164391	3.5
179.3601	50.96926554	3.5
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> 3.5 contour -Z3.5
-179.5399	52.2888524269	3.5
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179.476766667	53.1403447943	3.5
179.4601	53.1460968183	3.5
179.445046962	53.1513054054	3.5
179.443433333	53.1518596412	3.5
179.426766667	53.1575967375	3.5
179.4101	53.1631851511	3.5
179.395122188	53.167927027	3.5
179.393433333	53.1684663534	3.5
179.376766667	53.1736972294	3.5
179.3601	53.1789552022	3.5
179.343433333	53.1841059604	3.5
179.341987427	53.1845486486	3.5
179.326766667	53.1891630078	3.5
179.3101	53.1941610464	3.5
179.293433333	53.1987279346	3.5
179.283637257	53.2011702703	3.5
179.276766667	53.2028862114	3.5
179.2601	53.2071785658	3.5
179.243433333	53.2116273158	3.5
179.226766667	53.2156475587	3.5
179.217010377	53.2177918919	3.5
179.2101	53.219335842	3.5
179.193433333	53.2233910107	3.5
179.176766667	53.2278499513	3.5
179.1601	53.2319695962	3.5
179.148599979	53.2344135135	3.5
179.143433333	53.2355919581	3.5
179.126766667	53.2395691904	3.5
179.1101	53.2441817182	3.5
179.093433333	53.2485873899	3.5
179.081049091	53.2510351351	3.5
179.076766667	53.2519952228	3.5
179.0601	53.2548425352	3.5
179.043433333	53.2582044544	3.5
179.026766667	53.2629290586	3.5
179.011791815	53.2676567568	3.5
179.0101	53.268324286	3.5
178.993433333	53.2734054158	3.5
178.976766667	53.2763092699	3.5
178.9601	53.2783206227	3.5
178.943433333	53.281249192	3.5
178.933372815	53.2842783784	3.5
178.926766667	53.2869294349	3.5
178.9101	53.2956254008	3.5
178.8988046	53.3009	3.5
> 3.5 contour -Z3.5
178.021395401	53.3009	3.5
178.0101	53.2956254008	3.5
177.993433333	53.2869294349	3.5
177.986827185	53.2842783784	3.5
177.976766667	53.281249192	3.5
177.9601	53.2783206227	3.5
177.943433333	53.2763092699	3.5
177.926766667	53.2734054158	3.5
177.9101	53.268324286	3.5
177.908408185	53.2676567568	3.5
177.893433333	53.2629290586	3.5
177.876766667	53.2582044544	3.5
177.8601	53.2548425352	3.5
177.843433333	53.2519952228	3.5
177.839150909	53.2510351351	3.5
177.826766667	53.2485873899	3.5
177.8101	53.2441817182	3.5
177.793433333	53.2395691904	3.5
177.776766667	53.2355919581	3.5
177.771600021	53.2344135135	3.5
177.7601	53.2319695962	3.5
177.743433333	53.2278499513	3.5
177.726766667	53.2233910107	3.5
177.7101	53.219335842	3.5
177.703189623	53.2177918919	3.5
177.693433333	53.2156475587	3.5
177.676766667	53.2116273158	3.5
177.6601	53.2071785658	3.5
177.643433333	53.2028862114	3.5
177.636562743	53.2011702703	3.5
177.626766667	53.1987279346	3.5
177.6101	53.1941610464	3.5
177.593433333	53.1891630078	3.5
177.578212573	53.1845486486	3.5
177.576766667	53.1841059604	3.5
177.5601	53.1789552022	3.5
177.543433333	53.1736972294	3.5
177.526766667	53.1684663534	3.5
177.525077812	53.167927027	3.5
177.5101	53.1631851511	3.5
177.493433333	53.1575967375	3.5
177.476766667	53.1518596412	3.5
177.475153038	53.1513054054	3.5
177.4601	53.1460968183	3.5
177.443433333	53.1403447943	3.5
177.426766667	53.1346847071	3.5
177.426763965	53.1346837838	3.5
177.4101	53.1289313476	3.5
177.393433333	53.1227984083	3.5
177.38114993	53.1180621622	3.5
177.376766667	53.1163593159	3.5
177.3601	53.1097449235	3.5
177.343433333	53.103047808	3.5
177.339448469	53.1014405405	3.5
177.326766667	53.096274732	3.5
177.3101	53.0893137995	3.5
177.299435826	53.0848189189	3.5
177.293433333	53.0822360808	3.5
177.276766667	53.0749820198	3.5
177.261540661	53.0681972973	3.5
177.2601	53.0675564145	3.5
177.243433333	53.0599320539	3.5
177.226766667	53.052179429	3.5
177.225467161	53.0515756757	3.5
177.2101	53.0443211416	3.5
177.193433333	53.036261297	3.5
177.190759526	53.0349540541	3.5
177.176766667	53.0280253529	3.5
177.1601	53.019536089	3.5
177.157782201	53.0183324324	3.5
177.143433333	53.0107763169	3.5
177.126766667	53.0017130825	3.5
177.126762513	53.0017108108	3.5
177.1101	52.9926078245	3.5
177.096155917	52.9850891892	3.5
177.093433333	52.983622655	3.5
177.076766667	52.974478545	3.5
177.066179141	52.9684675676	3.5
177.0601	52.9649594118	3.5
177.043433333	52.9550734989	3.5
177.038069794	52.9518459459	3.5
177.026766667	52.9449363534	3.5
177.011045465	52.9352243243	3.5
177.0101	52.9346236058	3.5
176.993433333	52.9239063296	3.5
176.985322926	52.9186027027	3.5
176.976766667	52.9128928851	3.5
176.9605769	52.9019810811	3.5
176.9601	52.9016517582	3.5
176.943433333	52.8900508327	3.5
176.936774889	52.8853594595	3.5
176.926766667	52.8782015033	3.5
176.913558181	52.8687378378	3.5
176.9101	52.866241601	3.5
176.893433333	52.8540553847	3.5
176.890828101	52.8521162162	3.5
176.876766667	52.8410290835	3.5
176.869938228	52.8354945946	3.5
176.8601	52.8271837838	3.5
176.8503168	52.818872973	3.5
176.843433333	52.8132447441	3.5
176.829801912	52.8022513514	3.5
176.826766667	52.7999144589	3.5
176.8101	52.7869255615	3.5
176.808463586	52.7856297297	3.5
176.793433333	52.7733841264	3.5
176.788138531	52.7690081081	3.5
176.776766667	52.7589040607	3.5
176.769462742	52.7523864865	3.5
176.7601	52.7434772971	3.5
176.751998799	52.7357648649	3.5
176.743433333	52.7273150899	3.5
176.735196665	52.7191432432	3.5
176.726766667	52.7104969568	3.5
176.719205975	52.7025216216	3.5
176.7101	52.6921436019	3.5
176.704916396	52.6859	3.5
176.693433333	52.6704686334	3.5
176.692568011	52.6692783784	3.5
176.680559274	52.6526567568	3.5
176.676766667	52.6477731173	3.5
176.667105422	52.6360351351	3.5
176.6601	52.628079773	3.5
176.652389263	52.6194135135	3.5
176.643433333	52.6089324712	3.5
176.638389474	52.6027918919	3.5
176.626766667	52.5870813566	3.5
176.626111128	52.5861702703	3.5
176.614568858	52.5695486486	3.5
176.6101	52.5631890719	3.5
176.602775095	52.552927027	3.5
176.593433333	52.5394575107	3.5
176.59128595	52.5363054054	3.5
176.58074353	52.5196837838	3.5
176.576766667	52.5130527987	3.5
176.570932852	52.5030621622	3.5
176.561535466	52.4864405405	3.5
176.5601	52.4838057131	3.5
176.552500307	52.4698189189	3.5
176.543820033	52.4531972973	3.5
176.543433333	52.4524178331	3.5
176.535374586	52.4365756757	3.5
176.527555036	52.4199540541	3.5
176.526766667	52.4181822381	3.5
176.519638632	52.4033324324	3.5
176.511700753	52.3867108108	3.5
176.5101	52.3833677731	3.5
176.502771848	52.3700891892	3.5
176.49415403	52.3534675676	3.5
176.493433333	52.3519048026	3.5
176.484901396	52.3368459459	3.5
176.476766667	52.3202701375	3.5
176.476736678	52.3202243243	3.5
176.467441438	52.3036027027	3.5
176.4601	52.2888524265	3.5
> 4 contour -Z4
178.326766667	52.3709824286	4
178.343433333	52.3739327517	4
178.3601	52.3758747631	4
178.376766667	52.3770345683	4
178.393433333	52.3777010944	4
178.4101	52.3780120902	4
178.426766667	52.3781374066	4
178.443433333	52.378172615	4
178.4601	52.378172615	4
178.476766667	52.378172615	4
178.493433333	52.3781374066	4
178.5101	52.3780120902	4
178.526766667	52.3777010944	4
178.543433333	52.3770345683	4
178.5601	52.3758747631	4
178.576766667	52.3739327517	4
178.593433333	52.3709824291	4
178.597452292	52.3700891892	4
178.6101	52.367086415	4
178.626766667	52.363070489	4
178.643433333	52.3591714611	4
178.6601	52.3549401968	4
178.665251033	52.3534675676	4
178.676766667	52.350024076	4
178.693433333	52.3446740078	4
178.7101	52.3389640306	4
178.716036819	52.3368459459	4
178.726766667	52.3327532981	4
178.743433333	52.3260171469	4
178.757092497	52.3202243243	4
178.7601	52.3188599541	4
178.776766667	52.3108207637	4
178.791257455	52.3036027027	4
178.793433333	52.3024536054	4
178.8101	52.2931579412	4
178.820459731	52.2869810811	4
178.826766667	52.2828609693	4
178.843433333	52.2712096088	4
178.844638414	52.2703594595	4
178.8601	52.2582203735	4
178.865777233	52.2537378378	4
178.876766667	52.2440272612	4
178.884336732	52.2371162162	4
178.893433333	52.2281150503	4
178.90093464	52.2204945946	4
178.9101	52.2103929507	4
178.915686638	52.203872973	4
178.926766667	52.1891435692	4
178.928064783	52.1872513514	4
178.937914914	52.1706297297	4
178.943433333	52.159609624	4
178.946129412	52.1540081081	4
178.952451844	52.1373864865	4
178.956737028	52.1207648649	4
178.958972144	52.1041432432	4
178.959848346	52.0875216216	4
178.9601	52.0712254808	4
178.960104986	52.0709	4
178.9601	52.0705745192	4
178.959848346	52.0542783784	4
178.958972144	52.0376567568	4
178.956730263	52.0210351351	4
178.952300824	52.0044135135	4
178.945565728	51.9877918919	4
178.943433333	51.9838016279	4
178.936550204	51.9711702703	4
178.926766667	51.9558003981	4
178.925938092	51.9545486486	4
178.913811113	51.937927027	4
178.9101	51.9332073478	4
178.899994206	51.9213054054	4
178.893433333	51.9142820181	4
178.883942817	51.9046837838	4
178.876766667	51.8981676927	4
178.865306918	51.8880621622	4
178.8601	51.8839766255	4
178.844247948	51.8714405405	4
178.843433333	51.8708525089	4
178.826766667	51.8590487556	4
178.820344271	51.8548189189	4
178.8101	51.8486519873	4
178.793433333	51.8393463946	4
178.791257455	51.8381972973	4
178.776766667	51.8309792363	4
178.7601	51.822964175	4
178.757045098	51.8215756757	4
178.743433333	51.8158178703	4
178.726766667	51.8090902661	4
178.715945182	51.8049540541	4
178.7101	51.8028641468	4
178.693433333	51.7971361591	4
178.676766667	51.791775924	4
178.66512518	51.7883324324	4
178.6601	51.7869142879	4
178.643433333	51.7828488704	4
178.626766667	51.7793419886	4
178.6101	51.7758813317	4
178.593433333	51.7722920172	4
178.590503545	51.7717108108	4
178.576766667	51.7691119217	4
178.5601	51.7666786819	4
178.543433333	51.765084544	4
178.526766667	51.764192712	4
178.5101	51.7637978027	4
178.493433333	51.7636625934	4
178.476766667	51.763627385	4
178.4601	51.763627385	4
178.443433333	51.763627385	4
178.426766667	51.7636625934	4
178.4101	51.7637978027	4
178.393433333	51.764192712	4
178.376766667	51.765084544	4
178.3601	51.7666786819	4
178.343433333	51.7691119217	4
178.329696455	51.7717108108	4
178.326766667	51.7722920172	4
178.3101	51.7758813317	4
178.293433333	51.7793419886	4
178.276766667	51.7828488704	4
178.2601	51.7869142879	4
178.25507482	51.7883324324	4
178.243433333	51.791775924	4
178.226766667	51.7971361591	4
178.2101	51.8028641468	4
178.204254818	51.8049540541	4
178.193433333	51.8090902661	4
178.176766667	51.8158178703	4
178.163154902	51.8215756757	4
178.1601	51.822964175	4
178.143433333	51.8309792363	4
178.128942545	51.8381972973	4
178.126766667	51.8393463946	4
178.1101	51.8486519873	4
178.099855729	51.8548189189	4
178.093433333	51.8590487556	4
178.076766667	51.8708525089	4
178.075952052	51.8714405405	4
178.0601	51.8839766255	4
178.054893082	51.8880621622	4
178.043433333	51.8981676927	4
178.036257183	51.9046837838	4
178.026766667	51.9142820181	4
178.020205794	51.9213054054	4
178.0101	51.9332073478	4
178.006388887	51.937927027	4
177.994261908	51.9545486486	4
177.993433333	51.9558003981	4
177.983649796	51.9711702703	4
177.976766667	51.9838016279	4
177.974634272	51.9877918919	4
177.967899176	52.0044135135	4
177.963469737	52.0210351351	4
177.961227856	52.0376567568	4
177.960351654	52.0542783784	4
177.9601	52.0705745192	4
177.960095014	52.0709	4
177.9601	52.0712254808	4
177.960351654	52.0875216216	4
177.961227856	52.1041432432	4
177.963462972	52.1207648649	4
177.967748156	52.1373864865	4
177.974070588	52.1540081081	4
177.976766667	52.159609624	4
177.982285086	52.1706297297	4
177.992135217	52.1872513514	4
177.993433333	52.1891435692	4
178.004513362	52.203872973	4
178.0101	52.2103929507	4
178.01926536	52.2204945946	4
178.026766667	52.2281150503	4
178.035863268	52.2371162162	4
178.043433333	52.2440272612	4
178.054422767	52.2537378378	4
178.0601	52.2582203735	4
178.075561586	52.2703594595	4
178.076766667	52.2712096088	4
178.093433333	52.2828609693	4
178.099740269	52.2869810811	4
178.1101	52.2931579412	4
178.126766667	52.3024536054	4
178.128942545	52.3036027027	4
178.143433333	52.3108207637	4
178.1601	52.3188599541	4
178.163107503	52.3202243243	4
178.176766667	52.3260171469	4
178.193433333	52.3327532981	4
178.204163181	52.3368459459	4
178.2101	52.3389640306	4
178.226766667	52.3446740078	4
178.243433333	52.350024076	4
178.254948967	52.3534675676	4
178.2601	52.3549401968	4
178.276766667	52.3591714611	4
178.293433333	52.363070489	4
178.3101	52.367086415	4
178.322747708	52.3700891892	4
178.326766667	52.3709824286	4