4th		saharan				Japan
	N (Grid Size)
V (Vertices)	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
5	85.946 18	83.554 18	86.158 15	86.540 15	87.723 14	90.265 9	88.536 9	82.316 24	85.627 14	85.774 11	89.366 9	86.994 9	90.104 9	88.801 7	87.605 11	92.818 5
6	97.041 7	97.467 4	98.409 3	98.436 3	100.000 1	99.553 1	99.564 1	97.822 3	98.207 2	97.908 4	98.099 2	97.370 3	98.339 2	97.790 2	99.269 1	97.176 3
7	94.550 10	93.750 10	97.481 6	96.517 8	98.761 2	98.607 1	98.446 2	98.519 4	97.211 5	96.948 5	97.581 4	98.168 2	97.278 3	98.276 2	99.103 1	98.526 2
8	93.690 11	94.075 9	95.762 7	96.780 5	97.630 5	98.807 2	98.247 2	97.887 4	97.726 3	95.952 5	98.011 3	98.707 2	97.522 4	98.135 3	98.449 2	98.192 2
9	96.210 9	95.627 7	95.912 5	97.316 3	98.636 1	98.571 2	98.144 2	99.141 1	99.364 1	98.824 2	97.750 4	97.657 4	97.040 5	97.842 2	98.188 2	99.007 1
10	96.429 8	97.756 4	98.475 3	98.895 3	97.730 2	98.384 2	99.053 2	98.841 2	98.756 2	98.417 3	97.561 3	97.328 5	97.429 4	99.171 2	97.322 2	98.359 2
11	92.262 7	96.163 5	96.546 2	95.748 5	98.344 2	97.866 3	98.356 3	99.004 2	97.464 4	98.804 2	96.219 5	98.218 3	97.533 5	97.673 2	97.500 2	97.298 3
12	93.396 8	96.417 5	94.579 7	96.480 5	95.675 5	97.538 2	97.527 2	98.368 2	98.228 2	98.606 4	97.297 4	97.516 3	97.921 3	97.771 3	98.066 2	98.089 2
13	91.096 9	91.193 7	94.275 5	94.672 7	96.876 4	95.771 5	94.477 6	95.806 3	96.819 3	96.994 3	96.915 3	97.316 3	96.506 2	96.298 2	95.589 2	97.183 2
14	89.831 9	90.630 10	92.687 5	94.051 5	92.852 6	93.300 5	94.307 5	95.559 4	96.533 4	96.041 4	95.420 3	95.679 6	95.148 5	95.582 5	95.790 4	96.603 2
15	85.440 12	88.643 9	88.181 9	91.843 7	91.282 5	89.748 7	91.596 5	92.748 5	90.074 7	93.121 5	94.508 5	93.582 5	94.706 4	94.583 4	94.677 3	94.548 3