fixed large heart display

heartGenie.go

@@ -193,7 +193,7 @@ func lrgHeart(x int) {
 		switch i {
 		default:
 			fmt.Print(" ")
-		case x + 5, x + 10, x + 6, x + 14:
+		case x + 5, x + 10, x + 13:
 			fmt.Print("@")
 		case x + 18:
 			fmt.Println("@")