int i = 0;
for (T x : set) {
int j = 0;
for (T y : set) {
if (i >= j) {
j++;
continue;
}
System.out.println(x + "," + y);
j++;
}
i++;
}
int i = 0;
for (T x : set) {
int j = 0;
for (T y : set) {
if (i >= j) {
j++;
continue;
}
System.out.println(x + "," + y);
j++;
}
i++;
}
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