Test: simple threshold
1316122660 33894
Test: Hilbert
3342429190 33894
2905156049 33894
339841328 33894
1633267750 33894
Test: Dither-8
3325147568 33894
Test: Cluster-3
4124728025 33894
Test: Cluster-4
4124728025 33894
Test: Cluster-8
3493215477 33894
Test: Invalid
Expected failure 1 1
Expected failure 2 1
Expected failure 3 1
Expected failure 4 1
Expected failure 5 1
Expected failure 6 1
Expected failure 7 1
Expected failure 8 1
Expected failure 9 1
Expected failure 10 1
Expected failure 11 1
Expected failure 12 1