7 5 4 5 5 5 4 5
 1000 1000 
 3 0 168 0 0 810 0
 4 960 106 1000 230 1000 352 250 214
 6 960 106 250 214 0 168 810 0 1000 0 1000 230
 4 1000 626 1000 1000 0 1000 0 492
 4 0 492 0 168 1000 352 1000 626
 3 0 624 0 0 362 0
 3 212 1000 0 1000 0 624
 3 1000 224 1000 1000 722 1000
 6 722 1000 212 1000 0 624 362 0 1000 0 1000 224
 3 1000 876 1000 1000 922 1000
 4 696 66 850 0 1000 0 1000 876
 5 696 66 1000 876 922 1000 656 0 850 0
 3 128 0 656 0 922 1000
 4 922 1000 0 1000 0 0 128 0
 3 0 442 0 0 696 0
 3 282 1000 0 1000 0 606
 3 696 908 0 606 1000 322
 5 696 908 1000 322 1000 1000 282 1000 0 606
 5 0 606 0 442 696 0 1000 0 1000 322
 4 176 236 628 200 552 400 214 1000
 6 176 236 214 1000 0 1000 0 0 704 0 628 200
 3 552 400 324 1000 214 1000
 4 1000 166 1000 1000 324 1000 552 400
 4 552 400 704 0 1000 0 1000 166
 3 1000 132 1000 1000 682 1000
 4 0 536 0 0 1000 0 1000 132
 4 1000 132 682 1000 0 1000 0 802
 3 0 802 0 536 1000 132
 4 850 132 872 0 1000 0 1000 618
 4 850 132 1000 618 312 0 872 0
 3 0 858 0 0 118 0
 3 214 1000 0 1000 0 858
 6 0 858 118 0 312 0 1000 618 1000 1000 214 1000