void main() {
int a[3][6] = {
		1,2,3,4,5,6,
		1,2,3,5,7,9,
		2,2,4,4,6,6};
	int p,i,j,b[30],k;

	for (i=0;i<3;i++){
		for (j=0;j<6;j++){
			printf("%d ",a[i][j]);
			}
		printf("\n");}


	printf("\n");

	for (i=0;i<3;i++){
		k=0;
		for (j=5;j>=0;j--){
			b[k] = a[i][j];
			k++;
		}

		k=0;
		for (j=0;j<6;j++){
			a[i][j] = b[k];
			k++;
			printf("%d ",a[i][j]);
		}
		printf("\n");
	}
}