diff --git a/.gitignore b/.gitignore
index af3fc60..86efa15 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,2 @@
 build
-tests/2.in
+tests
diff --git a/main.c b/main.c
index f256125..9ffaf41 100644
--- a/main.c
+++ b/main.c
@@ -6,8 +6,8 @@
 #include <time.h>
 #include <unistd.h>
 
-#define DEFAULT_NN 10000000
-#define DEFAULT_N 1001
+#define DEFAULT_NN 100000
+#define DEFAULT_N 101
 #define DEFAULT_B 10
 #define END_PROGRAM -1
 #define SUCCESS 0
diff --git a/makefile b/makefile
index 3a1cb41..cea2963 100644
--- a/makefile
+++ b/makefile
@@ -12,13 +12,19 @@ build/tape.o: tape.c build
 build:
 	mkdir -p build
 
+tests:
+	mkdir -p tests
+
 clean:
-	rm -rf build
+	rm -rf build tests
 
-run: build/main
-	build/main -f tests/2.in | less
+run: build/main tests/1.in
+	build/main -f tests/1.in | less
 
-debug: build/main
-	lldb -- build/main -f tests/2.in
+debug: build/main tests/1.in
+	lldb -- build/main -f tests/1.in
+
+tests/1.in: build/main tests
+	build/main -f tests/1.in -r  
 
 .PHONY: clean run debug
diff --git a/tape.h b/tape.h
index 9421e1b..b201ac5 100644
--- a/tape.h
+++ b/tape.h
@@ -20,6 +20,7 @@ void sort_buffer(buffer* buff);
 int read_buffer(buffer* buff, tape* tape);
 // writes everything
 int write_buffer(buffer* buff, tape* tape);
+// for debugging
 void print_buffer(buffer* buff);
 
 void clear_tape(tape* tape);
diff --git a/tests/1.in b/tests/1.in
deleted file mode 100644
index 75c707a..0000000
--- a/tests/1.in
+++ /dev/null
@@ -1,6 +0,0 @@
-11 123 312 312 323 3
-543 3435 34 5342 532 54
-344 43534 222 435 2345 23
-2345 234 23423 455 44 4
-2345 23222 222 2245 4554 10
-2345 22 2 22 2 3