#include <stdio.h>
int main(void)
{
int i, j;
int a[3][4];
for (i = 0; i < 3; i++) {
for (j = 0; j < 4; j++) {
}
}
for (i = 0; i < 3; i++) {
for (j = 0; j < 4; j++) {
}
}
return 0;
}
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