private static Set<AsciNumber> possibleMatches(String l1, String l2, String l3) {
final Set<AsciNumber> result = Sets.newHashSet();
for (AsciNumber asciNumber : AsciNumber.values()) {
if (errorCount(l1, l2, l3, asciNumber) == 1) {
result.add(asciNumber);
}
}
return result;
}
public static AsciNumber matching(String l1, String l2, String l3) {
for (AsciNumber asciNumber : AsciNumber.values()) {
if (asciNumber.first.equals(l1)
&& asciNumber.second.equals(l2)
&& asciNumber.third.equals(l3)) {
return asciNumber;
}
}
return ILLEGAL;
}