static protected void checkLess(String a, String b, int abS, String c, String d, int cdS, Configuration config)
{
StatePair p = constructPairScore(a,b,abS,config),
q=constructPairScore(c,d,cdS,config);
assertFalse(p.equals(q));
assertTrue(p.compareTo(q)<0);
assertTrue(q.compareTo(p)>0);
assertFalse(p.hashCode() == q.hashCode());
assertEquals(0,p.compareTo(p));
assertEquals(0,q.compareTo(q));
}