public static void printLCS(int[][] c, int[] x, int i, int j) {
		if(i == 0 || j == 0){
			return;
		}
		
		if(c[i][j] != c[i - 1][j] && c[i][j] != c[i][j - 1]){
			printLCS(c, x, i - 1, j - 1);
			System.out.print(x[i - 1] +",");
		}else if(c[i][j] == c[i - 1][j]){
			printLCS(c, x, i - 1, j);
		}else{
			printLCS(c, x,i, j - 1);
		}
		
		
	}