private int[] concatenate(int[] n1, int[] n2, int[] n3) {
		int[] merger = new int[n1.length+n2.length+n3.length];
		int currentCount=0;
		if(n1!=null) {
			for(int i=0; i<n1.length; i++) {
				merger[i] = n1[i];
			}
			currentCount+=n1.length-1;
		}
		if(n2!=null) {
			for(int i=1; i<=n2.length; i++) {
				merger[i+currentCount] = n2[i];
			}
			currentCount+=n2.length;
		}
		if(n3!=null) {
			for(int i=1; i<=n3.length; i++) {
				merger[i+currentCount] = n3[i];
			}
			currentCount+=n3.length;
		}
		return merger;
	}