155682SmarkmNR < 50 { n = split($0, x)
2233294Sstas  for (i = 1; i <= n; i++)
3233294Sstas  for (j = 1; j <= n; j++)
4233294Sstas	y[i,j] = n * i + j
555682Smarkm  for (i = 1; i <= n; i++)
6233294Sstas	delete y[i,i]
755682Smarkm  k = 0
8233294Sstas  for (i in y)
9233294Sstas	k++
10233294Sstas  if (k != int(n^2-n))
1155682Smarkm	printf "delete2 miscount %d vs %d at %d\n", k, n^2-n, NR
12233294Sstas}
13233294Sstas