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#include <cstdio>

int m[9] = {0, 1, 1, 2, 2, 3, 3, 3, 3};
char s[5][9] = {"", "PA", "PPAA", "PPPAPAAA"};
int x[6] = {1, 0, 1, 1, 0, 0};

int main(void) {
  int t;
  scanf("%d", &t);
  while (t--) {
    int n, k;
    scanf("%d%d", &n, &k);
    if (n < 9) {
      if (k < m[n]) {
        printf("NIE\n");
        continue;
      }
      if (k < 4) {
        printf("%.*s\n", n, s[k]);
        continue;
      }
    }
    if (k < 4) {
      printf("NIE\n");
      continue;
    }
    for (int i = 0; i < n; i++) putchar("PA"[i < k? 0: x[(i-k)%6]]);
    putchar('\n');
  }
}