18
 1000 1000 
 3 310 0 1000 0 1000 302
 5 598 130 1000 450 1000 696 446 0 878 0
 4 700 238 716 1000 0 1000 0 644
 5 200 856 0 654 0 0 446 0 1000 696
 4 380 610 1000 572 1000 1000 376 1000
 4 84 768 180 1000 0 1000 0 644
 7 674 484 520 1000 0 1000 0 0 310 0 1000 302 1000 886
 4 174 88 0 90 0 0 176 0
 5 0 574 0 0 1000 0 1000 1000 298 1000
 4 834 164 1000 412 1000 450 834 300
 7 380 610 376 1000 0 1000 0 352 488 0 1000 0 1000 572
 5 84 768 0 644 0 574 298 1000 180 1000
 5 200 856 1000 696 1000 1000 0 1000 0 654
 7 700 238 0 644 0 0 502 0 1000 450 1000 1000 716 1000
 4 674 484 1000 886 1000 1000 520 1000
 4 598 130 878 0 1000 0 1000 450
 5 174 88 176 0 488 0 0 352 0 90
 5 834 164 834 300 502 0 1000 0 1000 412