diff --git a/electrode_check.py b/electrode_check.py
index cc8b417..fcf4330 100644
--- a/electrode_check.py
+++ b/electrode_check.py
@@ -49,6 +49,37 @@ class plot():
                 self.axs.append(ax)
         gs.update(left=0.1, bottom=0.05, top=1, right=1, hspace=0, wspace=0)
 
+    def creat_axis_competition(self):
+        gs = gridspec.GridSpec(3, 8, left =0.1, bottom = 0.05, top = 1, right=1)
+        pos = [[0, 1],
+               [0, 2],
+               [0, 3],
+               [0, 4],
+               [1, 0],
+               [1, 1],
+               [1, 2],
+               [1, 3],
+               [1, 4],
+               [1, 5],
+               [2, 1],
+               [2, 2],
+               [2, 3],
+               [2, 4],
+               [1, 7]]
+
+        show_x = np.array([0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1], dtype=bool)
+        show_y = np.array([1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1], dtype=bool)
+        for enu, p in enumerate(pos):
+            ax = self.fig.add_subplot(gs[p[0], p[1]]) # elec 1
+            ax.set_ylim(-self.max_v, self.max_v)
+            if show_x[enu] == False:
+                ax.tick_params(axis='x', which='both', bottom=False, top=False, labelbottom=False)
+            if show_y[enu] == False:
+                ax.tick_params(axis='y', which='both', left=False, right=False, labelleft=False)
+
+
+            self.axs.append(ax)
+
 
 def GPIO_setup(LED1_pin, LED2_pin, Button1_pin, Button2_pin):
     # LED output pins
@@ -219,7 +250,7 @@ def main():
 
         interface_type = InterfaceType.USB
         low_channel = 0
-        high_channel = channels
+        high_channel = channels - 1
 
         samples_per_channel = rate * 2  # * channels = Buffer size
         # rate = 20000
@@ -314,7 +345,8 @@ def main():
     Plot.n_rows = n_rows
     Plot.n_cols = n_cols
 
-    Plot.create_axis()
+    #Plot.create_axis()
+    Plot.creat_axis_competition()
 
     init_fig = True
     try: