/* package whatever; // don't place package name! */
import java.util.*;
import java.lang.*;
import java.io.*;
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
{
for (int i=0; i<3; i++){
for (int j=0; j<3; j++){
if (i==2) break;
System.
out.
println(i
+ " " + j
); }
}
}
}
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