#include <stdio.h>
int main()
{
for (int a = 0; a <= 2; a++)
{
for (int b = 0; b <= 2; b++)
{
for (int c = 0; c <= 2; c++)
{
printf("%d %d %d\n", a
, b
, c
); }
}
}
return 0;
}
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