diff --git a/languedoc.py b/languedoc.py
--- a/languedoc.py
+++ b/languedoc.py
@@ -5,6 +5,7 @@ import itertools
 
 random.seed(19181028)
 
+CROSSVALIDATION_SOURCE_COUNT = 5
 TEST_LENS = [8, 16, 32, 64]
 TOP_TRIGRAM_COUNT = 6000
 
@@ -107,8 +108,11 @@ class SampleSet:
 	def create_model(self):
 		return Sample.merge(self.samples)
 
-	def generate_tests(self):
-		for (text, sample) in zip(self.texts, self.samples):
+	def generate_tests(self, n):
+		for (i, (text, sample)) in enumerate(itertools.cycle(zip(self.texts, self.samples))):
+			if i >= n:
+				break
+
 			yield (text, Sample.merge([x for x in self.samples if x is not sample]))
 
 
@@ -118,7 +122,7 @@ def cross_validate(sample_sets):
 	max_score = 0
 
 	for s in sample_sets:
-		for (test_text, partial_model) in s.generate_tests():
+		for (test_text, partial_model) in s.generate_tests(CROSSVALIDATION_SOURCE_COUNT):
 			real_lang = partial_model.language
 			test_models = [partial_model] + [m for m in models if m.language != real_lang]
 
@@ -157,9 +161,7 @@ if __name__ == "__main__":
 			with open(file) as f:
 				text = f.read()
 				text = preprocess(text)
-				print(f"{file.name} ({len(text)})")
-				print(text[:256])
-				print()
+				print(f"{lang}: {file.name} ({len(text)})")
 
 				lang_samples.add(text)