before refactoring sudoku logic

boards/041.txt

@@ -0,0 +1,9 @@
+0 0 4 3 0 0 2 0 9
+0 0 5 0 0 9 0 0 1
+0 7 0 0 6 0 0 4 3
+0 0 6 0 0 2 0 8 7
+1 9 0 0 0 7 4 0 0
+0 5 0 0 8 3 0 0 0
+6 0 0 0 0 0 1 0 5
+0 0 3 5 0 8 6 9 0
+0 4 2 9 1 0 3 0 0

config.lua

@@ -1,6 +1,6 @@
 return {
     board = {
-        filePath = "boards/040.txt",
+        filePath = "boards/005.txt",
     },
     window = {
         bgColor = "FFFFFF",

sudoku/sudoku.lua

@@ -104,7 +104,7 @@ function sudoku.calCellValidOptions(board, x, y)
     return v
 end
 
-function sudoku.buildSearchSpave(board)
+function sudoku.buildSearchSpace(board)
     local s = {}
     for i = 1, 9 do
         s[i] = {}