diff --git a/spdl/mp.sh b/spdl/mp.sh
index 16f4d8f..da45c62 100755
--- a/spdl/mp.sh
+++ b/spdl/mp.sh
@@ -6,4 +6,4 @@
 # limit number of runs to 5
 
 ulimit -v 100000
-cat $* | ../src/scyther -a -r3 --summary
+cat $* | ../src/scyther -a -r3 -l20 --summary
diff --git a/spdl/tuples.py b/spdl/tuples.py
new file mode 100755
index 0000000..258c8c3
--- /dev/null
+++ b/spdl/tuples.py
@@ -0,0 +1,47 @@
+#!/usr/bin/python
+#
+# Given a number of input lines on std and an argument int, this program
+# generates unordered tuples, e.g.:
+#
+# arg:	2
+# in:	a
+# 	b
+# 	c
+# 	d
+#
+# out:	a,b
+# 	a,c
+# 	a,d
+# 	b,c
+# 	b,d
+# 	c,d
+#
+# This should make it clear what happens.
+#
+import sys
+import string
+
+# Retrieve the tuple width
+tuplesize = sys.argv[1]
+print tuplesize
+
+# Read stdin into list and count
+list = []
+
+
+loop = 1
+while loop:
+	line = sys.stdin.readline()
+	if line != '':
+		# not the end of the input
+		line = string.strip(line)
+		if line != '':
+			# not a blank line
+			list.append(line)
+	else:
+		# end of the input
+		loop = 0
+
+print list
+print len(list)
+