diff --git a/mklines.py b/mklines.py
index e76a7ea..85c049b 100644
--- a/mklines.py
+++ b/mklines.py
@@ -20,16 +20,20 @@ def main():
         perr('Invalid or corrupt samples')
         return -1
     #for val in points: print(val.get_cartesian())
-    lines = set()
+    lines = list()
     for i in range(0, len(points), 2):
         p1 = points[i]
         p2 = points[i+1]
         print('p1 ', p1.get_x(), p1.get_y())
         print('p2 ', p2.get_x(), p2.get_y())
         line = StraightLine(p1, p2)
-        lines.add(line)
+        lines.append(line)
         print('line ', line.get_m(), line.get_b())
-    #for line in lines: print(line.get_m())
+    intercepts = list()
+    for i, line in enumerate(lines):
+        if i == len(lines) - 1: break # Last line is a special case
+        p = lines[i].intercept(lines[i+1])
+        print(p.get_x(), p.get_y())
     return 0
 
 def read_csv(filename: str, remove_header=False) -> list[PointWithID]: