Pattern Program Using C Language

The following pattern is displayed using C programming language. 

#include<stdio.h>

void main()

{

 int i,j,x;

 clrscr();

 for(i=0;i< 4;i++)

 {

 x=i+1;

 for(j=0;j< 4;j++)

 {

printf("%d",x);

x++;

if(x>4)

x=1;

}

printf("\n");

}

getch();

}