diff --git a/Solitaire.png b/Solitaire.png
new file mode 100644
index 0000000..7042563
Binary files /dev/null and b/Solitaire.png differ
diff --git a/shenzhen_solitaire/board_cv.py b/shenzhen_solitaire/board_cv.py
new file mode 100644
index 0000000..8a7e292
--- /dev/null
+++ b/shenzhen_solitaire/board_cv.py
@@ -0,0 +1,97 @@
+import cv2
+import numpy
+from typing import Optional
+from dataclasses import dataclass
+
+A = cv2.imread("Solitaire.png")
+
+
+@dataclass
+class Adjustment:
+    x: int
+    y: int
+    w: int
+    h: int
+    dx: int
+    dy: int
+
+
+def adjust_squares(
+        image: numpy.ndarray,
+        count_x: int,
+        count_y: int,
+        preset: Optional[Adjustment]) -> Adjustment:
+    result = preset
+    if not result:
+        result = Adjustment(0, 0, 0, 0, 0, 0)
+    while True:
+        B = image.copy()
+        for ix in range(count_x):
+            for iy in range(count_y):
+                cv2.rectangle(B, (result.x +
+                                  result.dx *
+                                  ix, result.y +
+                                  result.dy *
+                                  iy), (result.x +
+                                        result.w +
+                                        result.dx *
+                                        ix, result.y +
+                                        result.h +
+                                        result.dy *
+                                        iy), (0, 0, 0))
+        cv2.imshow('Window', B)
+        k = cv2.waitKey(0)
+        print(k)
+        if k == 27:
+            break
+        elif k == 81:
+            result.x -= 1
+        elif k == 83:
+            result.x += 1
+        elif k == 82:
+            result.y -= 1
+        elif k == 84:
+            result.y += 1
+        elif k == 104:
+            result.x -= 10
+        elif k == 115:
+            result.x += 10
+        elif k == 116:
+            result.y -= 10
+        elif k == 110:
+            result.y += 10
+        elif k == 97:
+            result.w -= 1
+        elif k == 111:
+            result.h -= 1
+        elif k == 101:
+            result.h += 1
+        elif k == 117:
+            result.w += 1
+        elif k == 59:
+            result.dx -= 1
+        elif k == 44:
+            result.dy -= 1
+        elif k == 46:
+            result.dy += 1
+        elif k == 112:
+            result.dx += 1
+
+    cv2.destroyWindow('Window')
+    return result
+
+
+def adjust_field(image) -> Adjustment:
+    return adjust_squares(image, 8, 5, Adjustment(50, 200, 16, 14, 120, 25))
+
+def adjust_bunker(image) -> Adjustment:
+    return adjust_squares(image, 3, 1)
+
+def adjust_hua(image) -> Adjustment:
+    return adjust_squares(image, 1, 1)
+
+def adjust_goal(image) -> Adjustment:
+    return adjust_squares(image, 3, 1)
+
+
+print(adjust_field(A))
diff --git a/shenzhen_solitaire/solver.py b/shenzhen_solitaire/solver.py
index e73bc87..f1eda01 100644
--- a/shenzhen_solitaire/solver.py
+++ b/shenzhen_solitaire/solver.py
@@ -3,7 +3,11 @@ from typing import List, Iterator, Optional
 from .board import Board
 from . import board_actions
 from .board_possibilities import possible_actions
-from .board_actions import MoveAction
+from .board_actions import (
+    MoveAction,
+    GoalAction,
+    HuaKillAction,
+    DragonKillAction)
 
 
 class ActionStack:
@@ -48,7 +52,13 @@ def solve(board: Board) -> Iterator[List[board_actions.Action]]:
     stack = ActionStack()
     stack.push(board)
 
+    count = 0
     while stack:
+        count += 1
+        if count > 5000:
+            count = 0
+            print(f"{len(stack)} {sum(board.goal.values())}")
+
         if len(stack) == -1:
             stack.pop()
             stack.action_stack[-1].undo(board)
@@ -68,10 +78,11 @@ def solve(board: Board) -> Iterator[List[board_actions.Action]]:
 
         if isinstance(action, MoveAction):
             drop = False
-            for prev_action in stack.action_stack[-2:-21:-1]:
+            for prev_action in stack.action_stack[-2::-1]:
                 if isinstance(prev_action, MoveAction):
                     if prev_action.cards == action.cards:
                         drop = True
+                        break
             if drop:
                 continue
 
@@ -79,6 +90,14 @@ def solve(board: Board) -> Iterator[List[board_actions.Action]]:
 
         if board.solved():
             yield stack.action_stack
+            stack.action_stack[-1].undo(board)
+            while isinstance(
+                    stack.action_stack[-1], (GoalAction,
+                                             HuaKillAction,
+                                             DragonKillAction)):
+                stack.pop()
+                stack.action_stack[-1].undo(board)
+            continue
 
         if board.state_identifier in state_set:
             action.undo(board)
diff --git a/test/helper.py b/test/helper.py
index 70f54f7..bb1173e 100644
--- a/test/helper.py
+++ b/test/helper.py
@@ -8,7 +8,7 @@ def main() -> None:
     A = solver.solve(my_board)
     for _, B in zip(range(1), A):
         print(*B, sep='\n')
-        print(len(B))
+        print(f"Solution: {len(B)}")
 
 
 if __name__ == "__main__":