diff --git a/api/s12_curves.py b/api/s12_curves.py
index 87f634c..e2af652 100644
--- a/api/s12_curves.py
+++ b/api/s12_curves.py
@@ -125,12 +125,62 @@ def delete_curve(name: str, cs: ChangeSet) -> ChangeSet:
 # [EPA2][IN][OUT]
 #   ;type: desc
 #   id  x  y
+#--------------------------------------------------------------
+def inp_in_curve(section: list[str]) -> ChangeSet:
+    types = {}
+    descs = {}
+    curves: dict[str, list[dict[str, float]]] = {}
+
+    count = len(section)
+    for i in range(0, count):
+        if section[i].startswith(';'):
+            # this is description
+            type_plus_desc = section[i].removeprefix(';')
+            type_plus_desc_tokens = type_plus_desc.split(':')
+            next = i + 1
+            if next < count and section[next].startswith(';') == False:
+                next_tokens = section[next].split()
+                types[next_tokens[0]] = type_plus_desc_tokens[0].strip().upper()
+                if len(type_plus_desc_tokens) > 1:
+                    descs[next_tokens[0]] = type_plus_desc_tokens[1].strip()
+            continue
+
+        tokens = section[i].split()
+        if tokens[0] not in curves:
+            curves[tokens[0]] = []
+        curves[tokens[0]].append({'x': float(tokens[1]), 'y': float(tokens[2])})
+
+    cs = ChangeSet()
+    for id, coords in curves.items():
+        c_type = types[id] if id in types else CURVE_TYPE_PUMP
+        cs.append(g_add_prefix | {'type': 'curve', 'id' : id, 'c_type': c_type, 'coords' : coords})
+
+    #print(descs)
+    return cs
+
+
+def inp_out_curve(name: str) -> list[str]:
+    lines = []
+    types = read_all(name, f"select * from _curve")
+    for type in types:
+        id = type['id']
+        # ;type: desc
+        lines.append(f";{type['type']}:")
+        objs = read_all(name, f"select * from curves where id = '{id}' order by _order")
+        for obj in objs:
+            id = obj['id']
+            x = obj['x']
+            y = obj['y']
+            lines.append(f'{id} {x} {y}')
+    return lines
+
+
 #--------------------------------------------------------------
 # [EPA3][IN][OUT]
 #   id  type
 #   id  x  y
 #--------------------------------------------------------------
-def inp_in_curve(section: list[str]) -> ChangeSet:
+def inp_in_curve_v3(section: list[str]) -> ChangeSet:
     types = {}
     descs = {}
     curves: dict[str, list[dict[str, float]]] = {}
@@ -169,17 +219,5 @@ def inp_in_curve(section: list[str]) -> ChangeSet:
     return cs
 
 
-def inp_out_curve(name: str) -> list[str]:
-    lines = []
-    types = read_all(name, f"select * from _curve")
-    for type in types:
-        id = type['id']
-        # ;type: desc
-        lines.append(f";{type['type']}:")
-        objs = read_all(name, f"select * from curves where id = '{id}' order by _order")
-        for obj in objs:
-            id = obj['id']
-            x = obj['x']
-            y = obj['y']
-            lines.append(f'{id} {x} {y}')
-    return lines
+def inp_out_curve_v3(name: str) -> list[str]:
+    return []