7 5 5 4 6 7 6 5
 1000 1000 
 4 646 0 1000 0 1000 1000 768 1000
 3 646 394 540 0 646 0
 5 646 394 646 0 768 1000 234 0 540 0
 3 0 726 0 0 78 0
 5 78 0 234 0 768 1000 0 1000 0 726
 5 890 290 1000 148 1000 1000 736 1000 802 400
 5 890 290 802 400 846 0 1000 0 1000 148
 3 598 0 846 0 780 600
 3 360 1000 0 1000 0 170
 6 0 170 0 0 598 0 780 600 736 1000 360 1000
 3 1000 322 1000 1000 820 1000
 3 634 1000 0 1000 0 498
 5 1000 174 1000 322 820 1000 634 1000 0 498
 4 0 498 0 0 1000 0 1000 174
 4 936 304 930 0 1000 0 1000 412
 5 936 304 1000 412 1000 482 824 0 930 0
 3 0 152 0 0 824 0
 4 754 800 824 0 1000 482 1000 824
 5 754 800 1000 824 1000 1000 334 1000 824 0
 4 334 1000 0 1000 0 152 824 0
 4 846 960 1000 842 1000 1000 370 1000
 4 846 960 370 1000 1000 718 1000 842
 4 88 298 144 0 508 0 150 1000
 5 88 298 150 1000 0 1000 0 0 144 0
 4 1000 448 1000 718 370 1000 150 1000
 4 810 304 508 0 1000 0 1000 240
 5 810 304 1000 240 1000 448 150 1000 508 0
 3 222 1000 0 1000 0 198
 3 602 1000 222 1000 0 198
 4 958 758 1000 626 1000 1000 602 1000
 5 958 758 602 1000 0 198 1000 290 1000 626
 4 38 74 1000 132 1000 290 0 198
 5 38 74 0 198 0 0 1000 0 1000 132
 4 464 0 1000 0 1000 1000 674 1000
 4 464 174 506 200 548 400 404 200
 5 464 174 404 200 260 0 464 0 506 200
 3 192 0 260 0 440 250
 6 440 250 548 400 674 1000 0 1000 0 0 192 0