> 4 contour
81.734	29.8702	4
81.7552	29.865	4
81.784	29.8601	4
81.834	29.855	4
81.884	29.8297	4
81.9105	29.815	4
81.934	29.8007	4
81.9694	29.765	4
81.984	29.7429	4
82.0037	29.715	4
82.0253	29.665	4
82.0327	29.615	4
82.0304	29.565	4
82.0162	29.515	4
81.9848	29.465	4
81.984	29.464	4
81.9438	29.415	4
81.934	29.4062	4
81.884	29.3775	4
81.8587	29.365	4
81.834	29.3515	4
81.784	29.3448	4
81.734	29.3345	4
81.684	29.345	4
81.634	29.3518	4
81.6095	29.365	4
81.584	29.3775	4
81.534	29.406	4
81.5239	29.415	4
81.484	29.464	4
81.4832	29.465	4
81.452	29.515	4
81.4381	29.565	4
81.4354	29.615	4
81.443	29.665	4
81.4643	29.715	4
81.484	29.7432	4
81.4983	29.765	4
81.534	29.8009	4
81.5574	29.815	4
81.584	29.8296	4
81.634	29.8547	4
81.684	29.86	4
81.7128	29.865	4
81.734	29.8702	4
> 8 contour
81.634	29.7256	8
81.684	29.7453	8
81.734	29.7594	8
81.784	29.7558	8
81.834	29.7262	8
81.8461	29.715	8
81.8821	29.665	8
81.884	29.6567	8
81.8998	29.615	8
81.8948	29.565	8
81.884	29.5478	8
81.8684	29.515	8
81.834	29.4791	8
81.784	29.465	8
81.784	29.465	8
81.734	29.448	8
81.684	29.465	8
81.684	29.465	8
81.634	29.4797	8
81.6	29.515	8
81.584	29.548	8
81.5734	29.565	8
81.5683	29.615	8
81.584	29.6562	8
81.586	29.665	8
81.6224	29.715	8
81.634	29.7256	8
> 12 contour
81.784	29.7236	12
81.7957	29.715	12
81.8302	29.665	12
81.834	29.6587	12
81.8534	29.615	12
81.8445	29.565	12
81.834	29.5492	12
81.7878	29.515	12
81.784	29.513	12
81.734	29.4987	12
81.684	29.5147	12
81.6834	29.515	12
81.634	29.5504	12
81.6242	29.565	12
81.6148	29.615	12
81.634	29.6569	12
81.6391	29.665	12
81.684	29.6959	12
81.734	29.7111	12
81.7509	29.715	12
81.784	29.7236	12
> 16 contour
81.734	29.6825	16
81.7785	29.665	16
81.784	29.6628	16
81.8226	29.615	16
81.8094	29.565	16
81.784	29.5424	16
81.734	29.5316	16
81.684	29.5435	16
81.6596	29.565	16
81.6455	29.615	16
81.684	29.6612	16
81.693	29.665	16
81.734	29.6825	16
> 20 contour
81.684	29.6331	20
81.734	29.6576	20
81.784	29.6337	20
81.7991	29.615	20
81.784	29.5774	20
81.7617	29.565	20
81.734	29.5581	20
81.7086	29.565	20
81.684	29.5791	20
81.669	29.615	20
81.684	29.6331	20