4.21

#include<stdio.h>
void main(){
long fib1=1,fib2=1,fib;
int i;
printf("%12ld%12ld",fib1,fib2);
for(i=3;i<=30;i++)
{
fib=fib1+fib2;
printf("%12d",fib);
if(i%4==0)
printf("\n");
fib2=fib1;
fib1=fib;}
}