4
5 4
121 312 271 422 75
199 464 160 234 368
271 -109 -70 371
2 2
1 3
4 4
4 -1
2 2
1 4
4 3
4 -1
1 10
1
2
-987654321 -987654321 -987654321 -987654321 -987654321 987654321 987654321 987654321 987654321 987654323
