diff --git a/0003-draw_data b/0003-draw_data
index 4cad217..c87af74 100644
--- a/0003-draw_data
+++ b/0003-draw_data
@@ -59,34 +59,41 @@ draw_data = function()
 	for y,t1 in ipairs(Rows) do
 		l = left+rside
 		for x,t2 in ipairs(Rows) do
-			button(Global_state, t1..t2, {
-				x=l, y=top+y*c,
-				w=cx[x] - l,
-				h=c,
-				bg = {r=0,g=0,b=0, a=0},  -- nothing
-				icon = function(params)
-					make_button_pop(params)
-					if Data[t1][t2] then
-						local px = (params.w - App.width(Data[t1][t2])) / 2
-						App.color{r=0, g=0, b=0}
-						love.graphics.print(Data[t1][t2], params.x+px, params.y+py)
-					end
-				end,
-				onpress1 = function()
-					local v = Data[t1][t2]
-					if v == 'X' then
-						return
-					elseif v == nil then
-						Data[t1][t2] = 0 Data[t2][t1] = 2
-					elseif v == 0 then
-						Data[t1][t2] = 2 Data[t2][t1] = 0
-					elseif v == 2 then
-						Data[t1][t2] = nil Data[t2][t1] = nil
-					else
-						error('invalid value')
-					end
-				end,
-			})
+			if t1 == t2 then
+				-- no button
+				local px = (cx[x] - l - App.width('X')) / 2
+				App.color{r=0, g=0, b=0}
+				love.graphics.print('X', l+px, top+y*c+py)
+			else
+				button(Global_state, t1..t2, {
+					x=l, y=top+y*c,
+					w=cx[x] - l,
+					h=c,
+					bg = {r=0,g=0,b=0, a=0},  -- nothing
+					icon = function(params)
+						make_button_pop(params)
+						if Data[t1][t2] then
+							local px = (params.w - App.width(Data[t1][t2])) / 2
+							App.color{r=0, g=0, b=0}
+							love.graphics.print(Data[t1][t2], params.x+px, params.y+py)
+						end
+					end,
+					onpress1 = function()
+						local v = Data[t1][t2]
+						if v == 'X' then
+							return
+						elseif v == nil then
+							Data[t1][t2] = 0 Data[t2][t1] = 2
+						elseif v == 0 then
+							Data[t1][t2] = 2 Data[t2][t1] = 0
+						elseif v == 2 then
+							Data[t1][t2] = nil Data[t2][t1] = nil
+						else
+							error('invalid value')
+						end
+					end,
+				})
+			end
 			l = cx[x]
 		end
 		local total = score(Data, t1)
@@ -94,4 +101,4 @@ draw_data = function()
 		App.color{r=0, g=0, b=0}
 		love.graphics.print(score(Data, t1), l+px, top+y*c+py)
 	end
-end
+end
\ No newline at end of file
diff --git a/0013-Data b/0013-Data
index cf45825..85c9284 100644
--- a/0013-Data
+++ b/0013-Data
@@ -1,9 +1,9 @@
 Data = {
-		Ind={Ind='X', Pak=2, Aus=2},
-		NZ={NZ='X', Eng=2},
-		SA={SA='X', Aus=2, SL=2},
-		Pak={Pak='X', Ind=0, SL=2},
-		Aus={Aus='X', Ind=0, SA=0, SL=2},
-		SL={SL='X', SA=0, Pak=0, Aus=0},
-		Eng={Eng='X', NZ=0}
-	}
\ No newline at end of file
+		Ind={Pak=2, Aus=2},
+		NZ={Eng=2},
+		SA={Aus=2, SL=2},
+		Pak={Ind=0, SL=2},
+		Aus={Ind=0, SA=0, SL=2},
+		SL={SA=0, Pak=0, Aus=0},
+		Eng={NZ=0}
+	}