> 3 contour
67.601	40.3561	3
67.6351	40.316	3
67.651	40.3101	3
67.6669	40.316	3
67.701	40.3561	3
67.751	40.3533	3
67.801	40.3359	3
67.851	40.3195	3
67.8571	40.316	3
67.901	40.2906	3
67.9384	40.266	3
67.951	40.2563	3
67.9894	40.216	3
68.001	40.1986	3
68.0235	40.166	3
68.0433	40.116	3
68.051	40.0714	3
68.0521	40.066	3
68.051	40.0425	3
68.05	40.016	3
68.001	39.9906	3
67.951	39.9662	3
67.9506	39.966	3
67.9187	39.916	3
67.901	39.8984	3
67.8664	39.866	3
67.851	39.8542	3
67.801	39.8315	3
67.7633	39.816	3
67.751	39.8102	3
67.701	39.806	3
67.651	39.7947	3
67.601	39.7811	3
67.5689	39.766	3
67.551	39.7549	3
67.501	39.7605	3
67.4842	39.766	3
67.501	39.7761	3
67.5093	39.816	3
67.501	39.8315	3
67.4847	39.816	3
67.451	39.7758	3
67.401	39.8066	3
67.3968	39.816	3
67.401	39.8272	3
67.4356	39.866	3
67.401	39.8984	3
67.3833	39.916	3
67.3515	39.966	3
67.351	39.9663	3
67.3127	40.016	3
67.301	40.0366	3
67.251	40.0422	3
67.2499	40.066	3
67.251	40.0665	3
67.301	40.0933	3
67.3455	40.116	3
67.351	40.127	3
67.3713	40.166	3
67.401	40.1986	3
67.4178	40.216	3
67.451	40.2426	3
67.501	40.2653	3
67.5054	40.266	3
67.551	40.2875	3
67.5727	40.316	3
67.601	40.3561	3
> 6 contour
67.651	40.2323	6
67.7008	40.216	6
67.701	40.2158	6
67.751	40.2082	6
67.801	40.1737	6
67.8114	40.166	6
67.801	40.137	6
67.7977	40.116	6
67.801	40.1083	6
67.8291	40.116	6
67.851	40.1225	6
67.8555	40.116	6
67.8743	40.066	6
67.851	40.0461	6
67.8179	40.016	6
67.801	39.9884	6
67.7889	39.966	6
67.751	39.9329	6
67.701	39.9205	6
67.6784	39.916	6
67.651	39.9066	6
67.6236	39.916	6
67.601	39.9207	6
67.5897	39.916	6
67.551	39.8993	6
67.5096	39.916	6
67.501	39.9226	6
67.4775	39.966	6
67.451	40.0027	6
67.4316	40.016	6
67.451	40.0346	6
67.4782	40.066	6
67.501	40.1083	6
67.5043	40.116	6
67.551	40.1612	6
67.5698	40.166	6
67.601	40.1757	6
67.6369	40.216	6
67.651	40.2323	6
> 9 contour
67.601	40.1333	9
67.651	40.1508	9
67.701	40.1333	9
67.731	40.116	9
67.751	40.0961	9
67.7705	40.066	9
67.7631	40.016	9
67.751	39.9997	9
67.701	39.9665	9
67.6985	39.966	9
67.651	39.9536	9
67.6083	39.966	9
67.601	39.9668	9
67.5924	39.966	9
67.551	39.9527	9
67.5357	39.966	9
67.5049	40.016	9
67.5168	40.066	9
67.551	40.1079	9
67.571	40.116	9
67.601	40.1333	9
> 12 contour
67.651	40.121	12
67.6629	40.116	12
67.701	40.1013	12
67.7364	40.066	12
67.7247	40.016	12
67.701	39.9962	12
67.651	39.9865	12
67.601	39.9828	12
67.551	40.0012	12
67.5398	40.016	12
67.5382	40.066	12
67.551	40.0816	12
67.601	40.1082	12
67.6391	40.116	12
67.651	40.121	12
> 15 contour
67.601	40.0936	15
67.651	40.0992	15
67.701	40.074	15
67.709	40.066	15
67.701	40.0426	15
67.6534	40.016	15
67.651	40.0155	15
67.601	39.9988	15
67.5704	40.016	15
67.5598	40.066	15
67.601	40.0936	15
> 18 contour
67.601	40.079	18
67.651	40.079	18
67.6748	40.066	18
67.651	40.0462	18
67.6045	40.016	18
67.601	40.0148	18
67.5989	40.016	18
67.5816	40.066	18
67.601	40.079	18