> 10 contour
254.33	18.0004	10
254.413	18.0343	10
254.496	18.0274	10
254.58	18.0171	10
254.663	17.9849	10
254.703	17.9596	10
254.746	17.9312	10
254.8	17.8763	10
254.83	17.83	10
254.854	17.793	10
254.885	17.7096	10
254.893	17.6263	10
254.88	17.543	10
254.843	17.4596	10
254.83	17.4388	10
254.787	17.3763	10
254.746	17.3383	10
254.67	17.293	10
254.663	17.2885	10
254.58	17.2533	10
254.496	17.2419	10
254.413	17.2345	10
254.33	17.2712	10
254.289	17.293	10
254.246	17.3148	10
254.177	17.3763	10
254.163	17.3939	10
254.115	17.4596	10
254.086	17.543	10
254.08	17.5961	10
254.074	17.6263	10
254.08	17.6725	10
254.082	17.7096	10
254.106	17.793	10
254.163	17.8763	10
254.163	17.8766	10
254.246	17.9543	10
254.256	17.9596	10
254.33	18.0004	10
> 20 contour
254.413	17.8786	20
254.496	17.8808	20
254.507	17.8763	20
254.58	17.8511	20
254.658	17.793	20
254.663	17.7863	20
254.711	17.7096	20
254.725	17.6263	20
254.708	17.543	20
254.663	17.4827	20
254.641	17.4596	20
254.58	17.4146	20
254.496	17.3924	20
254.413	17.3917	20
254.33	17.4506	20
254.319	17.4596	20
254.257	17.543	20
254.246	17.5941	20
254.235	17.6263	20
254.246	17.6719	20
254.251	17.7096	20
254.298	17.793	20
254.33	17.8217	20
254.41	17.8763	20
254.413	17.8786	20
> 30 contour
254.413	17.804	30
254.496	17.8249	30
254.549	17.793	30
254.58	17.7773	30
254.641	17.7096	30
254.654	17.6263	30
254.634	17.543	30
254.58	17.4874	30
254.514	17.4596	30
254.496	17.4515	30
254.458	17.4596	30
254.413	17.4675	30
254.331	17.543	30
254.33	17.5461	30
254.29	17.6263	30
254.316	17.7096	30
254.33	17.7274	30
254.399	17.793	30
254.413	17.804	30
> 40 contour
254.413	17.7536	40
254.496	17.7817	40
254.58	17.7319	40
254.6	17.7096	40
254.625	17.6263	40
254.581	17.543	40
254.58	17.5412	40
254.496	17.4865	40
254.413	17.5157	40
254.383	17.543	40
254.337	17.6263	40
254.368	17.7096	40
254.413	17.7536	40
> 50 contour
254.496	17.7538	50
254.559	17.7096	50
254.58	17.6694	50
254.596	17.6263	50
254.58	17.5962	50
254.534	17.543	50
254.496	17.5177	50
254.442	17.543	50
254.413	17.5762	50
254.383	17.6263	50
254.413	17.7038	50
254.415	17.7096	50
254.496	17.7538	50