Congestion for Sprint-POP scenario (half-working)
diff --git a/examples/sprint-pops.positions b/examples/sprint-pops.positions
new file mode 100644
index 0000000..928e443
--- /dev/null
+++ b/examples/sprint-pops.positions
@@ -0,0 +1,53 @@
+router
+0	unknown	-135.764	253.112
+1	unknown	-124.26	242.106
+2	unknown	-133.746	192.374
+3	unknown	-125.181	203.615
+4	unknown	-139.012	235.48
+5	unknown	-114.553	255.538
+6	unknown	-117.383	242.123
+7	unknown	-124.098	258.288
+8	unknown	-109.597	235.032
+9	unknown	-114.699	219.473
+10	unknown	-141.269	245.046
+11	unknown	-104.331	242.371
+12	unknown	-133.569	286.269
+13	unknown	-123.315	277.497
+14	unknown	-98.0591	218.885
+15	unknown	-103.065	209.249
+16	unknown	-97.6019	232.002
+17	unknown	-104.764	227.93
+18	unknown	-89.9659	217.538
+19	unknown	-111.243	201.883
+20	unknown	-105.782	215.929
+21	unknown	-96.3977	226.003
+22	unknown	-97.9862	200.901
+23	unknown	-78.8835	225.308
+24	unknown	-90.3514	236.091
+25	unknown	-117.767	232.718
+26	unknown	-114.42	224.798
+27	unknown	-136.333	222.043
+28	unknown	-122.444	228.514
+31	unknown	-97.4791	241.611
+32	unknown	-110.351	277.334
+33	unknown	-117.777	292.69
+35	unknown	-94.4122	211.85
+29	unknown	-88.3097	226.526
+36	unknown	-110.615	242.037
+38	unknown	-88.4545	248.603
+39	unknown	-103.356	298.492
+40	unknown	-116.839	305.342
+34	unknown	-131.979	243.096
+42	unknown	-100.976	287.547
+45	unknown	-82.2028	243.344
+46	unknown	-96.0201	256.972
+37	unknown	-103.425	254.683
+47	unknown	-88.0706	256.064
+48	unknown	-110.226	295.199
+44	unknown	-97.4778	278.521
+49	unknown	-106.546	309.269
+43	unknown	-76.3178	258.2
+30	unknown	-127.539	212.622
+50	unknown	-74.0048	237.243
+41	unknown	-105.291	188.236
+51	unknown	-115.94	188.128