L = 10000;
M = 100;
spot = [| 
762, 9763 |
1737, 9913 |
4753, 9522 |
4083, 4851 |
949, 4304 |
1403, 2595 |
3760, 9845 |
725, 2472 |
3827, 8461 |
2595, 8523 |
1484, 4162 |
6332, 6513 |
4779, 8757 |
6183, 9654 |
2090, 2198 |
554, 2631 |
1119, 1845 |
4923, 8921 |
2467, 8847 |
598, 8318 |
3970, 8652 |
584, 8851 |
1191, 1375 |
9705, 9960 |
343, 7982 |
4547, 7059 |
2221, 8772 |
1073, 1820 |
5251, 7158 |
9755, 9954 |
7687, 8358 |
487, 5182 |
3684, 4458 |
7988, 9575 |
774, 3500 |
1812, 8689 |
6461, 9396 |
7016, 9561 |
5943, 7250 |
1494, 5480 |
1632, 8704 |
894, 2232 |
348, 2961 |
3572, 4442 |
1024, 5969 |
1341, 3817 |
4249, 9722 |
532, 9067 |
769, 6530 |
1319, 2139 |
1554, 6632 |
188, 6877 |
230, 7052 |
4982, 8065 |
48, 2626 |
4117, 4142 |
2158, 4171 |
1996, 3479 |
4939, 6642 |
4946, 7188 |
6427, 8778 |
846, 1867 |
2901, 6140 |
2705, 5637 |
323, 6927 |
5220, 5997 |
1706, 7976 |
5433, 9371 |
391, 2331 |
1421, 8207 |
3115, 9273 |
2368, 3160 |
1944, 6422 |
1835, 2081 |
4730, 10000 |
3575, 4628 |
3773, 5644 |
3660, 7880 |
1846, 8410 |
1381, 2950 |
921, 6500 |
8906, 9747 |
1364, 6455 |
4464, 9759 |
4801, 5561 |
3900, 4693 |
746, 1707 |
1165, 4325 |
2760, 9745 |
372, 9340 |
2259, 5099 |
2046, 5158 |
2745, 9531 |
714, 9152 |
4000, 7204 |
8224, 8670 |
4339, 6267 |
9232, 9509 |
645, 1404 |
2791, 3140 |];