# this script shows multi-dimensional arrays as strings, and mention=creation
BEGIN {
  for (i=1; i<=3; i++) for (j=1; j<=3; j++) a[i,j]
  for (i in a) print i, length(i)

  print ""
  SUBSEP=";"
  delete a

  for (i=1; i<=3; i++) for (j=1; j<=3; j++) a[i,j]

  for (i=1; i<=3; i++) a[i]
  for (i in a) print i, length(i)
}