#include <stdio.h>
/*
  Print a 16 x 16 character table on the standard output device.
  Make sure your communication path and software are set to 8 bits.
  F. da Cruz, Columbia U, 1992
*/
main() {
    int i,j,k;
    printf("    00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15\n");
    for (i = 0; i < 16; i++) {
        printf(" %02d      ",i);
	for (j = 2; j < 8; j++) {
	    k = (j * 16) + i;
	    if (k == 127) printf("   ");
	    else printf("  %c", k);
	}
	printf("      ");
	for (j = 10; j < 16; j++) {
	    printf("  %c", (j * 16) + i);
	}
	printf("\n");
    }
}