L = 10000;
M = 100;
spot =  [|
6193, 8245 |
3840, 9103 |
7702, 8392 |
3654, 6843 |
201, 734 |
3199, 4667 |
1591, 4597 |
5149, 7292 |
2455, 3071 |
2799, 4940 |
2777, 4759 |
2581, 9083 |
346, 1340 |
96, 5282 |
1514, 6036 |
2387, 5080 |
762, 8841 |
1717, 2074 |
2584, 8739 |
3976, 9620 |
141, 3131 |
611, 5498 |
2711, 6318 |
33, 2121 |
5496, 9943 |
8162, 8516 |
1303, 9580 |
8019, 9634 |
677, 1435 |
999, 6744 |
5906, 7146 |
3329, 4091 |
1320, 2958 |
8281, 9485 |
685, 4181 |
921, 7878 |
1365, 2925 |
4786, 7101 |
252, 3362 |
1201, 3520 |
5668, 9786 |
3946, 6183 |
6162, 9372 |
875, 1026 |
7406, 8478 |
6199, 7330 |
111, 6627 |
2938, 4628 |
3726, 8788 |
457, 8443 |
290, 2395 |
392, 3310 |
2284, 5349 |
4832, 8133 |
5833, 7712 |
62, 8141 |
8103, 9040 |
3074, 3756 |
2129, 9863 |
1548, 3989 |
7078, 8921 |
727, 2874 |
634, 6410 |
2506, 9811 |
2418, 7845 |
2468, 4253 |
2191, 2636 |
4480, 9816 |
3813, 4608 |
2356, 8045 |
796, 5435 |
1535, 5607 |
7316, 8597 |
2237, 2967 |
1036, 2516 |
908, 4100 |
665, 7091 |
717, 2413 |
973, 4401 |
1181, 8745 |
792, 4248 |
6261, 9002 |
1573, 2582 |
401, 1042 |
2551, 7181 |
286, 2305 |
1659, 6561 |
4864, 5371 |
5850, 7598 |
849, 8409 |
610, 9435 |
6672, 7047 |
3628, 6961 |
1295, 7569 |
4284, 7229 |
250, 9038 |
4170, 6803 |
1962, 7785 |
2558, 3877 |
3537, 8830 |];