boolean checkOrientCWSeq(Vertex last, Vertex prev, Face face) {
	System.out.println("checkOrientCWSeq");
	System.out.println("last = " + last.index);
	System.out.println("prev = " + prev.index);
	System.out.print("face = ");
	face.printVertices();
	if (last.equals(face.verts[0])) {
	    if (!prev.equals(face.verts[1])) {
		if (DEBUG) System.out.println("ORIENTATION PROBLEM!");
		return false;
	    }
	}
	else if (last.equals(face.verts[1])) {
	    if (!prev.equals(face.verts[2])) {
		if (DEBUG) System.out.println("ORIENTATION PROBLEM!");
		return false;
	    }
	}
	else if (last.equals(face.verts[2])) {
	    if (!prev.equals(face.verts[0])) {
		if (DEBUG) System.out.println("ORIENTATION PROBLEM!");
		return false;
	    }
	}
	return true;
    }