!7

p {
  hugeLeven(10000);
  //hugeLeven(100000);
  hugeLeven(1000000);
}

svoid hugeLeven(int n) {
  S a = rep(n, 'a') + rep(n, 'b');
  S b = rep(n+10, 'a') + rep(n-10, 'b');
  print(n);
  time { print(" => " + leven(a, b)); }
}