n=40; m=2; a=[|596,510| 719,843| 211,572| 801,826| 602,261| 873,470| 646,518| 27,730| 784,959| 902,970| 252,177| 91,87| 270,624| 703,319| 639,720| 661,129| 235,788| 930,993| 5,723| 53,725| 351,306| 578,890| 852,370| 509,151| 723,919| 497,323| 571,437| 305,787| 294,550| 757,185| 50,59| 893,342| 988,365| 719,731| 183,401| 369,336| 319,631| 69,878| 466,814| 987,424|];