L = 10000;
M = 100;
spot = [| 
2215, 3642 |
4820, 6827 |
302, 743 |
3750, 5703 |
7998, 9160 |
7181, 9183 |
2048, 6781 |
3402, 4402 |
2047, 2792 |
174, 9187 |
3242, 9645 |
1153, 7294 |
2483, 2955 |
1742, 2218 |
2975, 7601 |
76, 6611 |
1274, 2338 |
5158, 8403 |
1491, 4076 |
7855, 8159 |
4, 3979 |
2428, 7436 |
73, 5025 |
835, 5467 |
2282, 4120 |
2933, 5192 |
1255, 5512 |
1851, 3554 |
2925, 8612 |
2325, 2466 |
5957, 8310 |
4850, 8891 |
5255, 6398 |
1960, 4520 |
5123, 9130 |
238, 480 |
3791, 6256 |
4560, 9031 |
9195, 9861 |
1621, 4724 |
9358, 9554 |
3892, 6972 |
6829, 6909 |
512, 8531 |
1320, 6483 |
704, 1712 |
541, 2866 |
4443, 7815 |
1668, 8695 |
2291, 3197 |
8879, 9993 |
6904, 9856 |
96, 2534 |
5038, 9612 |
483, 8713 |
4532, 5178 |
2005, 8113 |
2878, 9056 |
2142, 6712 |
4818, 7637 |
8216, 8315 |
1171, 4013 |
6268, 9667 |
247, 9694 |
3614, 8879 |
2273, 3936 |
503, 2510 |
5429, 7441 |
576, 2801 |
1285, 5526 |
4317, 5289 |
2634, 4371 |
328, 5769 |
2276, 2352 |
1634, 6729 |
6179, 8253 |
7777, 8215 |
1999, 9824 |
1358, 1541 |
5052, 7282 |
3472, 7041 |
5655, 7834 |
105, 5676 |
876, 7973 |
3217, 8710 |
2740, 2817 |
886, 2419 |
2477, 3380 |
1657, 5779 |
7674, 8512 |
1488, 2632 |
1915, 6271 |
7861, 9942 |
6676, 7856 |
2718, 9995 |
6884, 9865 |
4056, 9399 |
218, 7328 |
2342, 2834 |
3019, 4785 |];