case 68 failed: runtime error: exit status 2
panic: runtime error: index out of range [2] with length 2

goroutine 1 [running]:
main.main.func1(...)
	/tmp/build-987065621/solution.go:216
main.main()
	/tmp/build-987065621/solution.go:252 +0xb38

input:
3 3
2 -2 -1
2 -1 -2
2 -3 1
exit status 1