L = 10000;
M = 100;
spot = [| 
4158, 6989 |
5484, 5608 |
1689, 4145 |
569, 3107 |
1126, 6125 |
1008, 2384 |
2964, 3566 |
4218, 8024 |
4987, 9020 |
744, 4444 |
242, 6436 |
2977, 5016 |
8162, 9863 |
1320, 6483 |
3044, 8710 |
168, 1127 |
1171, 5539 |
1131, 9052 |
137, 1974 |
2179, 9650 |
4895, 6334 |
1586, 6882 |
1865, 6752 |
753, 4565 |
331, 6262 |
1881, 8901 |
335, 2046 |
727, 3003 |
6012, 7944 |
4611, 7653 |
1465, 8921 |
3127, 3161 |
5419, 9341 |
4288, 5609 |
2574, 6851 |
2349, 2539 |
274, 8993 |
584, 8592 |
62, 1932 |
1519, 5634 |
2823, 4901 |
1131, 2584 |
1329, 3665 |
3265, 8543 |
4749, 7408 |
1275, 5192 |
2467, 8720 |
2291, 4034 |
326, 6931 |
4742, 8672 |
9586, 9640 |
1280, 1287 |
398, 7649 |
4129, 8351 |
7847, 7918 |
7982, 9566 |
1186, 9382 |
4005, 8210 |
5295, 9429 |
5240, 6792 |
2408, 8370 |
4382, 7471 |
2757, 9646 |
7, 1644 |
1194, 8725 |
5744, 8021 |
214, 691 |
2969, 6475 |
2725, 6023 |
3554, 5006 |
1719, 5375 |
284, 1119 |
5619, 8341 |
4273, 5484 |
726, 1111 |
345, 8346 |
501, 9000 |
6839, 8543 |
1891, 4286 |
2038, 5526 |
2317, 4094 |
5237, 9352 |
282, 1878 |
447, 825 |
5274, 6484 |
3252, 5981 |
2425, 2961 |
688, 3261 |
220, 8625 |
1748, 2027 |
4884, 8161 |
3206, 3391 |
2382, 2561 |
2734, 7320 |
1262, 1780 |
219, 352 |
2192, 2724 |
2887, 3637 |
1516, 9983 |
6113, 6435 |];