#include <stdio.h>
int main(void) {
int n;
for (int count = 0; count < n; count++) {
int len;
int data[5050];
for (int i = 0; i < len; i++) {
}
int flag = 0;
for (int i = 0; i < len-2; i++) {
for (int j = 2; j < len-i; j++) {
// from i to i + j
int times = (j + 1) / 2;
int flag2 = 0;
for (int k = 0; k < times; k++) {
flag2 = 1;
if (data[i+k]!=data[i+j-k]) {
flag2 = 0;
break;
}
}
if (flag2) {
flag = 1;
}
}
}
if (flag) {
}else {
}
}
return 0;
}
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