50 50
970 0 -3 0 0 0 0 0 0 0 858 0 0 0 0 0 0 735 271 186 0 0 0 0 0 0 0 0 0 0 -4 0 0 0 0 399 0 0 0 918 0 0 0 0 92 0 818 0 195 0
0 0 0 0 0 0 45 0 0 242 198 0 0 0 196 564 0 695 578 432 0 111 0 0 0 0 0 0 176 315 907 922 534 448 0 0 0 0 0 0 0 0 227 0 -3 0 0 800 -4 404
33 0 552 0 0 32 0 0 492 0 0 0 0 416 834 0 0 0 0 -3 0 195 898 0 0 0 183 0 0 0 0 0 0 0 0 0 0 65 0 0 569 0 0 0 0 0 0 0 0 608
0 630 42 0 117 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 -4 903 0 0 0 0 0 0 847 859 799 0 0 536 0 0 0 0 0 0 0
0 296 930 0 87 0 0 0 0 0 0 -3 0 0 790 0 0 0 0 399 53 -4 0 0 220 150 0 0 0 0 0 924 0 0 0 0 0 0 875 984 0 0 0 614 0 0 549 0 955 0
658 0 0 20 0 900 0 0 0 0 423 0 780 835 0 0 247 0 867 0 0 46 0 997 0 510 159 0 208 533 0 0 0 528 0 0 0 0 512 -4 0 0 346 0 140 0 272 684 0 0
0 -3 146 816 579 0 0 0 0 995 0 0 734 0 0 0 0 0 0 0 0 0 997 900 0 0 848 0 0 0 0 0 359 179 0 0 930 224 951 0 0 0 -4 0 0 728 0 0 554 299
0 0 0 811 731 0 65 0 174 0 0 791 0 0 707 0 0 857 862 690 635 0 0 0 0 0 0 0 0 0 0 -4 0 459 320 0 124 0 199 0 0 0 0 0 0 0 0 0 438 182
0 0 0 0 0 320 0 0 0 0 0 0 680 0 0 0 0 843 0 676 0 0 -3 0 0 584 95 0 -4 0 0 0 0 0 293 622 0 0 0 0 929 0 0 0 144 588 175 738 0 467
780 596 121 551 0 0 690 0 572 869 306 0 345 487 0 602 0 978 0 0 721 0 0 0 0 0 0 928 94 0 0 707 249 461 -3 0 860 0 -4 0 0 880 81 0 0 0 0 522 0 7
0 55 0 0 227 0 610 0 0 191 0 0 0 0 0 798 0 620 903 61 0 0 821 0 0 0 74 432 0 0 0 0 777 209 0 803 0 0 22 0 0 -3 0 0 0 0 0 0 0 -2
0 864 776 294 654 88 0 0 0 0 346 0 0 731 0 0 -3 0 0 848 0 0 0 0 546 0 114 0 159 238 0 0 901 0 437 0 0 920 218 0 824 0 289 0 147 0 307 0 -4 0
0 0 0 484 0 0 757 0 886 272 0 0 -3 724 0 0 487 0 106 0 0 0 283 0 439 639 0 0 0 573 0 520 0 0 395 0 0 0 314 443 0 0 489 0 -4 0 0 0 0 463
17 0 0 0 0 -3 0 0 218 0 347 0 124 0 0 0 0 69 590 0 416 0 441 0 0 732 0 0 890 0 0 0 0 307 70 0 526 317 482 0 0 0 928 471 0 0 866 0 329 0
0 588 626 0 0 0 34 0 848 0 0 0 0 0 174 0 336 0 0 958 0 0 0 0 0 395 903 0 0 0 0 0 771 0 0 0 0 0 -3 0 37 0 0 91 0 0 158 -4 943 0
968 0 0 0 0 657 0 526 0 0 150 0 0 0 0 0 649 674 0 -3 169 0 0 0 0 0 506 0 0 265 0 0 468 0 0 86 483 751 0 0 837 326 0 0 907 0 0 624 504 0
549 0 0 547 0 0 0 169 0 0 -3 0 0 0 0 0 0 0 11 0 323 0 0 0 0 742 0 0 0 0 0 0 0 0 635 510 0 0 0 0 0 0 0 617 0 0 0 0 -4 0
0 0 0 0 0 881 567 602 0 0 0 231 0 0 0 462 0 0 0 322 0 0 0 585 0 0 0 0 0 0 0 0 0 472 663 420 0 0 0 0 -3 0 0 0 0 0 504 973 -4 243
706 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 758 0 201 0 0 0 0 0 874 0 0 475 823 0 0 0 703 606 0 0 0 0 769 0 0 0 -3 391 0
0 328 72 0 0 285 0 0 0 0 911 0 0 0 512 0 0 366 0 0 -3 0 0 0 0 484 800 0 0 953 0 446 0 0 811 -4 107 0 0 0 0 553 143 0 0 0 0 0 0 22
0 0 0 0 729 190 0 0 0 224 361 0 936 700 -3 0 0 0 0 0 0 974 0 0 338 957 0 0 0 0 0 53 0 0 152 944 0 908 0 0 0 410 0 0 0 182 565 0 811 0
0 220 152 0 864 0 0 461 0 0 39 0 530 0 -3 900 954 0 0 0 0 0 17 0 0 0 137 0 0 0 639 0 417 416 0 392 50 0 129 491 0 -4 0 0 882 305 149 0 0 0
-3 0 0 0 0 0 451 0 823 0 0 160 0 0 0 0 0 122 450 0 0 0 0 268 0 0 -4 0 0 925 806 0 0 0 0 460 0 707 0 0 864 0 343 0 3 853 572 144 94 45
0 0 883 960 811 0 0 262 638 0 496 150 0 0 0 53 -3 0 0 734 242 0 0 0 0 0 0 0 644 0 0 152 0 0 0 0 0 186 0 0 544 0 0 0 -4 0 638 0 0 0
0 0 0 0 0 0 0 847 0 0 0 332 -3 0 0 751 0 0 0 0 0 -4 504 751 0 0 0 0 0 0 0 878 0 0 0 0 0 677 0 695 0 64 992 0 0 643 0 0 0 0
194 22 536 0 965 689 0 0 0 0 149 906 922 719 0 0 468 0 0 0 416 966 0 0 475 215 -3 0 0 0 0 651 0 0 -4 0 0 0 0 0 0 272 0 0 0 927 0 0 0 0
0 0 845 175 0 0 0 0 0 0 490 509 0 0 12 0 0 618 0 0 316 -3 151 0 486 0 0 0 0 512 0 0 0 0 0 0 0 0 0 0 0 0 0 0 673 602 -4 365 0 0
910 0 577 559 0 0 0 870 137 0 0 149 0 500 0 -3 0 0 0 854 0 0 0 0 400 80 0 0 0 0 61 0 0 336 0 849 0 0 184 0 0 0 200 0 0 0 0 0 -4 0
0 0 611 21 149 0 0 0 0 29 0 -3 0 0 0 462 0 106 0 0 -4 0 99 0 0 968 0 0 0 234 176 0 817 0 932 0 0 643 0 0 0 0 0 0 0 0 398 0 0 0
0 0 0 0 509 0 311 0 833 0 0 0 0 904 19 0 0 417 753 0 490 0 0 0 0 922 0 813 0 0 866 0 0 0 0 0 0 0 549 0 0 -3 -4 0 0 245 0 883 0 0
243 0 0 0 5 0 464 0 0 873 0 0 0 0 0 687 809 221 0 0 640 0 0 0 -3 0 0 442 0 0 334 634 742 0 0 0 353 0 0 515 0 -4 0 0 522 632 0 0 868 0
129 548 883 0 0 197 0 383 696 0 0 262 0 0 -3 0 0 0 0 409 0 0 0 389 0 0 0 0 0 0 0 265 0 0 59 0 0 193 0 149 0 993 0 0 277 0 -4 331 850 138
0 0 0 631 0 0 0 409 0 0 0 0 33 0 0 -3 0 587 0 0 0 0 801 0 565 0 0 788 0 -4 563 746 0 0 974 0 0 0 0 552 706 0 49 959 46 0 382 0 0 446
820 31 0 0 0 -3 0 0 0 0 53 266 601 0 0 449 592 0 0 0 0 -4 0 0 0 0 0 0 509 407 0 0 0 0 109 0 0 0 742 940 0 720 0 829 0 0 164 0 1 0
0 0 0 191 0 226 0 837 982 0 0 487 0 985 0 0 991 81 459 0 0 0 0 0 945 0 196 0 0 0 -3 0 525 917 0 381 671 376 452 496 0 -4 0 0 0 0 0 0 605 416
134 0 0 642 0 0 400 496 0 -3 0 0 0 0 0 0 0 0 50 0 0 0 0 0 0 0 522 4 0 0 0 0 0 217 -4 727 0 0 0 0 0 0 0 0 775 48 0 651 650 538
0 201 0 521 0 947 654 0 0 0 0 0 0 558 0 0 0 0 -3 466 0 0 281 0 0 0 694 0 0 0 304 0 0 0 0 0 0 758 0 0 366 329 927 0 0 0 0 0 0 0
0 812 0 0 726 174 0 0 0 0 0 381 0 19 863 0 0 0 2 -3 0 108 174 468 0 0 577 167 0 0 0 0 826 0 562 526 0 344 0 989 0 939 0 0 167 0 0 577 380 0
-3 0 998 0 0 60 0 0 0 652 0 0 0 210 963 0 0 158 0 0 0 0 0 837 0 109 92 987 0 0 0 0 738 369 0 0 0 347 0 127 -4 0 0 983 446 0 0 183 325 63
278 0 0 579 0 0 168 0 0 0 0 0 0 0 0 761 204 -3 0 0 0 0 346 426 444 0 0 0 21 0 0 0 773 0 0 0 210 0 935 0 0 533 888 0 0 0 670 0 226 0
687 0 984 818 0 0 0 0 0 0 516 0 885 608 0 0 0 812 0 0 0 0 319 0 983 0 0 -3 0 424 0 896 0 0 0 533 947 784 352 265 0 0 -4 143 0 0 907 0 890 0
0 0 797 0 293 0 0 0 0 160 0 0 0 807 0 37 0 0 21 0 0 98 0 0 213 867 0 717 0 0 -3 0 -4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
512 326 0 0 0 0 0 0 0 0 450 0 0 0 0 0 0 214 0 0 28 0 0 528 0 482 0 692 0 744 0 0 0 -3 0 462 646 653 0 0 908 780 -4 554 0 0 0 0 342 0
715 731 575 805 0 0 0 0 289 0 0 0 566 0 0 0 0 309 0 104 795 28 0 42 0 0 0 0 0 667 0 0 507 0 -4 0 421 0 0 0 594 0 372 0 0 0 0 215 0 0
214 991 0 412 0 0 0 0 0 0 0 785 0 838 0 732 0 0 717 700 0 -3 0 0 0 0 460 0 0 579 531 948 0 691 52 439 0 0 0 0 0 0 0 0 -4 448 826 0 649 0
0 0 0 580 0 0 0 0 0 0 222 715 0 49 0 291 719 0 391 454 134 0 0 0 181 0 0 0 192 0 0 0 0 367 167 -3 0 0 0 0 738 388 331 0 676 0 654 0 0 369
231 0 0 0 0 0 0 0 0 910 753 552 404 0 785 0 13 315 -3 0 112 565 0 2 0 0 929 0 0 0 0 0 0 356 0 433 0 0 0 78 0 0 0 0 640 0 343 778 709 0
0 751 951 0 963 198 477 778 325 0 0 -3 0 866 0 0 909 0 0 757 0 0 0 475 0 0 0 657 0 0 0 0 13 792 0 0 405 717 0 0 350 578 571 -1 855 0 0 0 865 0
0 261 221 -3 176 0 0 980 0 0 0 31 597 0 0 553 0 141 0 0 132 0 0 0 514 0 353 0 407 0 354 104 0 284 0 0 0 -4 0 0 23 0 0 0 0 155 0 0 140 0
0 0 0 877 0 38 43 417 0 204 0 256 0 976 0 178 958 0 0 707 0 0 691 490 -3 303 325 37 370 0 0 366 347 0 0 15 718 507 0 0 0 0 0 598 0 0 0 -4 0 0