/* 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
{
{
int counter=0;
for(int i=0;i<10;i+=2) {
for(int j=0;j<20-i;j++) {
}
for(int k=0;k<=i;k++) {
System.
out.
print(" " + counter
++); if(counter > 9) counter = 0;
}
}
}
}
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