Day 3: Testfile works.. answer still wrong :-(

src/main/kotlin/Main.kt

@@ -1,10 +1,14 @@
 import day1.Day1
 import day2.Day2
 import day2.Hand
+import day3.Day3
 
 fun main() {
     println("Day 1-1: ${Day1.answerOne()}")
     println("Day 1-2: ${Day1.answerTwo()}")
     println("Day 2-1: ${Day2.sumOfCompatibleGames("src/main/resources/day2/input.txt", Hand(12,13,14))}")
     println("Day 2-2: ${Day2.powerOfMinimumSetOfCubes("src/main/resources/day2/input.txt")}")
+    println("Day 3-1: ${Day3.sumOfSelectedParts("src/main/resources/day3/input.txt")}")
+
+
 }

src/main/kotlin/day3/Day3.kt

@@ -48,7 +48,7 @@ data class Part(val number: Int, val from: Coordinate, val to: Coordinate) {
                 && y <= to.y
 
     fun isSelected(engine: List<String>) =
-        engine.hasSymbols(from.x - 1, from.y - 1, to.x - from.x + 2) // above
+        engine.hasSymbols(from.x - 1, from.y - 1, to.x - from.x + 1 + 2) // above
                 || engine.hasSymbols(from.x - 1, from.y + 1, to.x - from.x + 2) // below
                 || engine.hasSymbols(from.x - 1, from.y, 1) // left
                 || engine.hasSymbols(to.x + 1, from.y, 1) // right