before total refactoring

boards/hard/04.txt

@@ -0,0 +1,19 @@
+0 0 1 2 0 3 4 0 0
+0 0 0 6 0 7 0 0 0
+5 0 0 0 0 0 0 0 3
+3 7 0 0 0 0 0 8 1
+0 0 0 0 0 0 0 0 0
+6 2 0 0 0 0 0 3 7
+1 0 0 0 0 0 0 0 8
+0 0 0 8 0 5 0 0 0
+0 0 6 4 0 2 5 0 0
+
+7 8 1 2 5 3 4 9 6
+2 4 3 6 9 7 8 1 5
+5 6 9 1 4 8 7 2 3
+3 7 5 9 2 4 6 8 1
+9 1 8 3 7 6 2 5 4
+6 2 4 5 8 1 9 3 7
+1 5 2 7 6 9 3 4 8
+4 9 7 8 3 5 1 6 2
+8 3 6 4 1 2 5 7 9

boards/veryhard/01.lua

@@ -1,16 +0,0 @@
-return {
-    problem = {
-        {8, 0, 0, 0, 5, 0, 0, 0, 7},
-        {0, 6, 1, 0, 0, 0, 0, 0, 0},
-        {3, 7, 0, 0, 0, 0, 0, 6, 8},
-        {0, 0, 0, 6, 0, 0, 8, 0, 0},
-        {0, 1, 0, 0, 9, 0, 0, 2, 0},
-        {0, 3, 0, 2, 0, 0, 0, 9, 0},
-        {0, 8, 0, 0, 0, 7, 0, 0, 0},
-        {0, 0, 0, 0, 0, 0, 4, 0, 1},
-        {0, 0, 5, 0, 0, 0, 9, 8, 3},
-    }
-
-    solution = {
-    }
-}

boards/veryhard/01.txt

@@ -7,3 +7,13 @@
 0 8 0 0 0 7 0 0 0
 0 0 0 0 0 0 4 0 1
 0 0 5 0 0 0 9 8 3
+
+8 9 4 3 5 6 2 1 7
+5 6 1 7 2 8 3 4 9
+3 7 2 4 1 9 5 6 8
+2 5 9 6 7 1 8 3 4
+4 1 8 5 9 3 7 2 6
+6 3 7 2 8 4 1 9 5
+1 8 3 9 4 7 6 5 2
+9 2 6 8 3 5 4 7 1
+7 4 5 1 6 2 9 8 3

boards/veryhard/02.txt

@@ -0,0 +1,19 @@
+8 3 0 0 0 0 4 0 9
+4 0 0 6 1 0 2 0 0
+6 5 0 0 0 4 0 0 0
+0 0 9 0 0 0 0 0 0
+0 0 0 0 6 0 0 0 7
+0 0 0 1 0 2 0 0 0
+7 0 0 0 0 0 0 3 0
+0 0 4 8 3 0 9 2 0
+0 0 0 0 0 0 8 0 4
+
+8 3 1 7 2 5 4 6 9
+4 9 7 6 1 8 2 5 3
+6 5 2 3 9 4 7 8 1
+1 7 9 5 8 3 6 4 2
+2 8 5 4 6 9 3 1 7
+3 4 6 1 7 2 5 9 8
+7 2 8 9 4 6 1 3 5
+5 1 4 8 3 7 9 2 6
+9 6 3 2 5 1 8 7 4

boards/veryhard/03.txt

@@ -0,0 +1,19 @@
+9 0 7 6 0 0 0 0 0
+0 1 0 2 0 0 0 0 5
+8 2 0 0 1 0 0 0 0
+5 6 1 0 0 0 0 3 0
+4 0 0 9 3 5 0 0 6
+0 7 0 0 0 0 2 5 4
+0 0 0 0 4 0 0 1 2
+1 0 0 0 0 9 0 6 0
+0 0 0 0 0 1 4 0 9
+
+9 5 7 6 8 4 3 2 1
+6 1 3 2 9 7 8 4 5
+8 2 4 5 1 3 6 9 7
+5 6 1 4 7 2 9 3 8
+4 8 2 9 3 5 1 7 6
+3 7 9 1 6 8 2 5 4
+7 9 8 3 4 6 5 1 2
+1 4 5 8 2 9 7 6 3
+2 3 6 7 5 1 4 8 9

boards/veryhard/04.txt

@@ -0,0 +1,19 @@
+9 0 0 3 0 0 1 0 7
+0 0 0 0 7 0 0 0 0
+0 7 0 2 9 0 0 0 0
+0 0 4 0 5 2 3 0 6
+6 1 0 0 0 0 0 8 5
+3 0 2 6 1 0 7 0 0
+0 0 0 0 8 3 0 5 0
+0 0 0 0 6 0 0 0 0
+4 0 7 0 0 9 0 0 1
+
+9 6 8 3 4 5 1 2 7
+2 4 1 8 7 6 5 3 9
+5 7 3 2 9 1 6 4 8
+7 8 4 9 5 2 3 1 6
+6 1 9 4 3 7 2 8 5
+3 5 2 6 1 8 7 9 4
+1 9 6 7 8 3 4 5 2
+8 2 5 1 6 4 9 7 3
+4 3 7 5 2 9 8 6 1

boards/veryhard/05.txt

@@ -0,0 +1,19 @@
+0 5 0 0 0 0 2 0 0
+6 3 0 0 8 0 0 0 4
+9 0 0 0 0 0 0 0 1
+7 0 2 0 9 0 4 0 0
+8 0 0 0 0 4 0 0 0
+0 0 0 0 0 6 1 0 0
+0 0 0 1 0 0 5 0 0
+0 0 0 0 0 0 0 0 8
+0 4 0 0 0 0 3 6 7
+
+4 5 8 7 1 9 2 3 6
+6 3 1 5 8 2 7 9 4
+9 2 7 6 4 3 8 5 1
+7 6 2 3 9 1 4 8 5
+8 1 3 2 5 4 6 7 9
+5 9 4 8 7 6 1 2 3
+3 8 9 1 6 7 5 4 2
+2 7 6 4 3 5 9 1 8
+1 4 5 9 2 8 3 6 7

boards/veryhard/06.txt

@@ -0,0 +1,19 @@
+7 3 8 0 0 0 0 0 1
+0 5 0 0 0 0 0 3 0
+0 0 0 4 7 0 0 0 9
+0 8 0 0 4 0 0 1 0
+3 0 0 0 0 9 0 0 0
+0 4 5 0 6 0 9 0 0
+0 0 0 0 0 4 0 0 7
+0 7 6 0 0 0 5 0 0
+0 0 0 0 0 0 2 0 8
+
+7 3 8 6 9 5 4 2 1
+9 5 4 1 8 2 7 3 6
+2 6 1 4 7 3 8 5 9
+6 8 9 2 4 7 3 1 5
+3 2 7 5 1 9 6 8 4
+1 4 5 3 6 8 9 7 2
+5 9 2 8 3 4 1 6 7
+8 7 6 9 2 1 5 4 3
+4 1 3 7 5 6 2 9 8

boards/veryhard/07.txt

@@ -0,0 +1,19 @@
+0 6 0 7 2 0 9 3 5
+9 0 0 0 0 3 0 0 0
+3 0 0 9 0 0 0 0 0
+0 9 0 0 0 6 1 0 7
+8 0 0 0 7 0 0 0 9
+5 0 7 8 0 0 0 4 0
+0 0 0 0 0 5 0 0 2
+0 0 0 2 0 0 0 0 1
+7 2 1 0 6 8 0 9 0
+
+1 6 8 7 2 4 9 3 5
+9 5 2 6 8 3 7 1 4
+3 7 4 9 5 1 6 2 8
+2 9 3 5 4 6 1 8 7
+8 4 6 1 7 2 3 5 9
+5 1 7 8 3 9 2 4 6
+6 8 9 3 1 5 4 7 2
+4 3 5 2 9 7 8 6 1
+7 2 1 4 6 8 5 9 3

boards/veryhard/08.txt

@@ -0,0 +1,19 @@
+0 0 0 0 0 8 0 0 0
+6 0 0 0 0 4 0 0 3
+9 0 7 0 5 0 2 0 0
+4 0 0 0 0 0 0 5 0
+0 0 1 0 0 0 7 0 0
+0 9 0 0 0 6 1 0 0
+0 1 0 2 0 0 0 0 0
+8 0 0 0 0 0 0 0 1
+0 5 0 7 0 0 0 9 4
+
+1 2 3 9 7 8 4 6 5
+6 8 5 1 2 4 9 7 3
+9 4 7 6 5 3 2 1 8
+4 6 2 3 1 7 8 5 9
+5 3 1 8 9 2 7 4 6
+7 9 8 5 4 6 1 3 2
+3 1 4 2 6 9 5 8 7
+8 7 9 4 3 5 6 2 1
+2 5 6 7 8 1 3 9 4

boards/veryhard/09.txt

@@ -0,0 +1,19 @@
+6 0 0 7 5 0 2 8 0
+1 0 0 0 0 9 0 0 5
+5 0 0 8 0 0 0 0 0
+0 1 0 3 0 0 6 0 4
+2 0 0 0 7 0 0 0 3
+7 0 5 0 0 4 0 2 0
+0 0 0 0 0 7 0 0 8
+3 0 0 5 0 0 0 0 2
+0 5 1 0 4 6 0 0 7
+
+6 9 4 7 5 3 2 8 1
+1 8 2 4 6 9 7 3 5
+5 7 3 8 1 2 9 4 6
+9 1 8 3 2 5 6 7 4
+2 4 6 9 7 1 8 5 3
+7 3 5 6 8 4 1 2 9
+4 2 9 1 3 7 5 6 8
+3 6 7 5 9 8 4 1 2
+8 5 1 2 4 6 3 9 7

boards/veryhard/10.txt

@@ -0,0 +1,19 @@
+0 7 0 0 8 5 3 0 2
+0 0 0 6 0 7 4 8 0
+0 0 0 0 0 3 0 0 5
+0 0 0 0 7 0 0 2 4
+0 0 4 0 6 0 5 0 0
+8 3 0 0 2 0 0 0 0
+9 0 0 4 0 0 0 0 0
+0 4 3 8 0 9 0 0 0
+2 0 1 7 5 0 0 4 0
+
+4 7 9 1 8 5 3 6 2
+3 5 2 6 9 7 4 8 1
+6 1 8 2 4 3 7 9 5
+5 9 6 3 7 1 8 2 4
+1 2 4 9 6 8 5 3 7
+8 3 7 5 2 4 6 1 9
+9 6 5 4 3 2 1 7 8
+7 4 3 8 1 9 2 5 6
+2 8 1 7 5 6 9 4 3

boards/veryhard/11.txt

@@ -0,0 +1,19 @@
+9 0 5 0 0 0 0 7 1
+0 0 3 0 6 2 0 0 5
+0 0 0 5 0 0 0 4 2
+0 0 0 0 0 0 9 0 0
+8 0 0 0 2 0 0 0 0
+0 0 0 3 0 6 0 0 0
+0 7 0 0 0 0 0 0 8
+0 3 9 0 7 1 5 0 0
+5 0 1 0 0 0 0 0 0
+
+9 2 5 4 3 8 6 7 1
+7 4 3 1 6 2 8 9 5
+6 1 8 5 9 7 3 4 2
+3 5 2 7 1 4 9 8 6
+8 6 7 9 2 5 4 1 3
+1 9 4 3 8 6 2 5 7
+4 7 6 2 5 9 1 3 8
+2 3 9 8 7 1 5 6 4
+5 8 1 6 4 3 7 2 9

boards/veryhard/12.txt

@@ -0,0 +1,19 @@
+2 1 9 0 3 7 0 6 0
+0 0 0 1 0 0 0 0 9
+0 0 0 0 0 8 0 0 1
+8 0 2 7 0 0 0 5 0
+7 0 0 0 2 0 0 0 6
+0 6 0 0 0 3 9 0 2
+4 0 0 6 0 0 0 0 0
+6 0 0 0 0 4 0 0 0
+0 3 0 2 1 0 6 4 8
+
+2 1 9 5 3 7 8 6 4
+5 4 8 1 6 2 7 3 9
+3 7 6 4 9 8 5 2 1
+8 9 2 7 4 6 1 5 3
+7 5 3 9 2 1 4 8 6
+1 6 4 8 5 3 9 7 2
+4 2 5 6 8 9 3 1 7
+6 8 1 3 7 4 2 9 5
+9 3 7 2 1 5 6 4 8

boards/veryhard/13.txt

@@ -0,0 +1,19 @@
+0 6 0 4 8 0 3 7 5
+3 0 0 0 0 7 0 0 0
+7 0 0 3 0 0 0 0 0
+0 3 0 0 0 6 9 0 4
+1 0 0 0 4 0 0 0 3
+5 0 4 1 0 0 0 2 0
+0 0 0 0 0 5 0 0 8
+0 0 0 8 0 0 0 0 9
+4 8 9 0 6 1 0 3 0
+
+9 6 1 4 8 2 3 7 5
+3 5 8 6 1 7 4 9 2
+7 4 2 3 5 9 6 8 1
+8 3 7 5 2 6 9 1 4
+1 2 6 9 4 8 7 5 3
+5 9 4 1 7 3 8 2 6
+6 1 3 7 9 5 2 4 8
+2 7 5 8 3 4 1 6 9
+4 8 9 2 6 1 5 3 7

boards/veryhard/14.txt

@@ -0,0 +1,19 @@
+7 0 9 0 0 0 5 0 8
+0 1 0 7 0 0 0 0 0
+0 0 0 0 0 9 0 2 6
+0 0 0 0 9 0 3 0 0
+0 0 5 3 0 4 0 0 0
+0 0 3 0 0 0 0 0 0
+8 0 0 0 0 2 0 4 0
+1 2 0 8 0 3 0 5 0
+5 0 0 0 1 0 0 0 0
+
+7 4 9 2 3 6 5 1 8
+6 1 2 7 8 5 4 3 9
+3 5 8 1 4 9 7 2 6
+2 6 1 5 9 8 3 7 4
+9 8 5 3 7 4 1 6 2
+4 7 3 6 2 1 8 9 5
+8 3 7 9 5 2 6 4 1
+1 2 4 8 6 3 9 5 7
+5 9 6 4 1 7 2 8 3

boards/veryhard/15.txt

@@ -0,0 +1,19 @@
+8 0 4 0 0 0 0 7 1
+0 0 3 0 2 5 0 0 4
+0 0 0 4 0 0 0 6 5
+0 0 0 0 0 0 8 0 0
+9 0 0 0 5 0 0 0 0
+0 0 0 3 0 2 0 0 0
+0 7 0 0 0 0 0 0 9
+0 3 8 0 7 1 4 0 0
+4 0 1 0 0 0 0 0 0
+
+8 5 4 6 3 9 2 7 1
+7 6 3 1 2 5 9 8 4
+2 1 9 4 8 7 3 6 5
+3 4 5 7 1 6 8 9 2
+9 2 7 8 5 4 6 1 3
+1 8 6 3 9 2 5 4 7
+6 7 2 5 4 8 1 3 9
+5 3 8 9 7 1 4 2 6
+4 9 1 2 6 3 7 5 8

boards/veryhard/16.txt

@@ -0,0 +1,19 @@
+0 0 0 0 0 0 7 0 5
+0 9 3 0 0 0 1 0 0
+0 0 0 0 0 2 0 0 9
+0 2 1 0 3 0 4 0 0
+6 0 0 0 0 4 0 0 0
+0 5 0 0 2 0 0 8 0
+0 0 0 2 9 0 0 0 4
+0 1 0 0 0 0 0 6 0
+9 6 5 0 0 0 0 0 8
+
+2 8 6 9 1 3 7 4 5
+5 9 3 4 7 8 1 2 6
+1 4 7 5 6 2 8 3 9
+8 2 1 6 3 5 4 9 7
+6 7 9 1 8 4 3 5 2
+3 5 4 7 2 9 6 8 1
+7 3 8 2 9 6 5 1 4
+4 1 2 8 5 7 9 6 3
+9 6 5 3 4 1 2 7 8

boards/veryhard/17.txt

@@ -0,0 +1,19 @@
+7 8 0 0 0 6 0 9 0
+4 0 0 0 0 0 0 0 3
+0 0 0 0 0 5 0 4 0
+0 0 4 2 0 0 0 8 0
+0 0 6 0 0 0 4 0 0
+0 9 0 0 0 0 0 0 7
+0 0 5 0 9 0 6 0 8
+1 0 0 7 0 0 0 0 2
+0 0 0 3 0 0 0 0 0
+
+7 8 1 4 3 6 2 9 5
+4 5 2 9 1 7 8 6 3
+6 3 9 8 2 5 7 4 1
+5 1 4 2 7 9 3 8 6
+2 7 6 5 8 3 4 1 9
+8 9 3 6 4 1 5 2 7
+3 4 5 1 9 2 6 7 8
+1 6 8 7 5 4 9 3 2
+9 2 7 3 6 8 1 5 4

boards/veryhard/18.txt

@@ -0,0 +1,19 @@
+0 3 4 0 0 0 6 7 0
+2 0 0 0 0 0 0 0 8
+1 0 0 0 4 0 0 0 9
+0 0 0 8 0 3 0 0 0
+0 0 7 0 0 0 5 0 0
+0 0 0 2 0 6 0 0 0
+3 0 0 0 1 0 0 0 5
+7 0 0 0 0 0 0 0 6
+0 6 9 0 0 0 1 4 0
+
+9 3 4 5 8 2 6 7 1
+2 7 5 9 6 1 4 3 8
+1 8 6 3 4 7 2 5 9
+6 5 1 8 7 3 9 2 4
+8 2 7 1 9 4 5 6 3
+4 9 3 2 5 6 8 1 7
+3 4 2 6 1 9 7 8 5
+7 1 8 4 2 5 3 9 6
+5 6 9 7 3 8 1 4 2

boards/veryhard/19.txt

@@ -0,0 +1,19 @@
+0 8 0 0 2 0 5 6 0
+0 0 0 1 0 0 0 0 7
+0 0 0 0 0 0 0 0 0
+0 5 0 0 9 0 4 0 8
+0 0 7 8 0 0 0 0 3
+0 9 0 0 1 0 0 5 0
+2 0 4 0 0 0 8 0 0
+0 6 0 0 8 5 0 0 0
+0 0 0 2 0 0 1 0 0
+
+4 8 3 7 2 9 5 6 1
+5 2 9 1 4 6 3 8 7
+7 1 6 5 3 8 2 4 9
+1 5 2 6 9 3 4 7 8
+6 4 7 8 5 2 9 1 3
+3 9 8 4 1 7 6 5 2
+2 7 4 9 6 1 8 3 5
+9 6 1 3 8 5 7 2 4
+8 3 5 2 7 4 1 9 6

boards/veryhard/20.txt

@@ -0,0 +1,19 @@
+6 0 0 0 9 0 0 0 7
+0 4 0 0 0 7 1 0 0
+0 0 2 8 0 0 0 5 0
+8 0 0 0 0 0 0 9 0
+0 0 0 0 7 0 0 0 0
+0 3 0 0 0 0 0 0 8
+0 5 0 0 0 2 3 0 0
+0 0 4 5 0 0 0 2 0
+9 0 0 0 3 0 0 0 4
+
+6 8 3 1 9 5 2 4 7
+5 4 9 6 2 7 1 8 3
+7 1 2 8 4 3 9 5 6
+8 6 5 3 1 4 7 9 2
+4 9 1 2 7 8 6 3 5
+2 3 7 9 5 6 4 1 8
+1 5 6 4 8 2 3 7 9
+3 7 4 5 6 9 8 2 1
+9 2 8 7 3 1 5 6 4

boards/veryhard/21.txt

@@ -0,0 +1,19 @@
+0 7 4 0 2 8 0 0 9
+2 0 0 1 0 0 0 0 6
+0 0 0 0 0 7 0 0 2
+3 0 9 0 0 5 0 6 0
+5 0 0 0 8 0 0 0 4
+0 4 0 3 0 0 2 0 8
+7 0 0 8 0 0 0 0 0
+4 0 0 0 0 2 0 0 5
+8 0 0 9 3 0 6 2 0
+
+6 7 4 5 2 8 3 1 9
+2 5 8 1 9 3 4 7 6
+9 3 1 4 6 7 5 8 2
+3 8 9 2 4 5 7 6 1
+5 2 7 6 8 1 9 3 4
+1 4 6 3 7 9 2 5 8
+7 9 2 8 5 6 1 4 3
+4 6 3 7 1 2 8 9 5
+8 1 5 9 3 4 6 2 7

boards/veryhard/22.txt

@@ -0,0 +1,19 @@
+1 0 2 0 0 0 0 0 0
+0 7 9 0 8 2 1 0 0
+0 8 0 0 0 0 0 0 4
+0 0 0 7 0 6 0 0 0
+4 0 0 0 3 0 0 0 0
+0 0 0 0 0 0 9 0 0
+0 0 0 1 0 0 0 5 3
+0 0 7 0 6 3 0 0 1
+9 0 1 0 0 0 0 8 2
+
+1 4 2 6 5 7 8 3 9
+3 7 9 4 8 2 1 6 5
+5 8 6 3 1 9 2 7 4
+2 9 5 7 4 6 3 1 8
+4 6 8 9 3 1 5 2 7
+7 1 3 8 2 5 9 4 6
+6 2 4 1 9 8 7 5 3
+8 5 7 2 6 3 4 9 1
+9 3 1 5 7 4 6 8 2

boards/veryhard/23.txt

@@ -0,0 +1,19 @@
+0 5 0 0 6 4 9 0 3
+0 0 0 8 0 5 1 6 0
+0 0 0 0 0 9 0 0 4
+0 0 0 0 5 0 0 3 1
+0 0 1 0 8 0 4 0 0
+6 9 0 0 3 0 0 0 0
+2 0 0 1 0 0 0 0 0
+0 1 9 6 0 2 0 0 0
+3 0 7 5 4 0 0 1 0
+
+1 5 2 7 6 4 9 8 3
+9 4 3 8 2 5 1 6 7
+8 7 6 3 1 9 5 2 4
+4 2 8 9 5 7 6 3 1
+7 3 1 2 8 6 4 9 5
+6 9 5 4 3 1 8 7 2
+2 8 4 1 9 3 7 5 6
+5 1 9 6 7 2 3 4 8
+3 6 7 5 4 8 2 1 9

boards/veryhard/24.txt

@@ -0,0 +1,19 @@
+5 0 3 0 0 0 0 0 0
+0 0 6 0 0 0 4 2 0
+2 0 0 8 0 0 0 0 0
+0 0 9 0 4 0 6 8 0
+0 0 0 9 0 0 0 0 1
+0 7 0 0 8 0 0 5 0
+9 0 0 0 2 8 0 0 0
+0 1 0 0 0 0 0 6 0
+7 0 0 0 0 0 5 1 2
+
+5 9 3 4 6 2 1 7 8
+1 8 6 7 3 9 4 2 5
+2 4 7 8 1 5 3 9 6
+3 2 9 5 4 1 6 8 7
+8 5 4 9 7 6 2 3 1
+6 7 1 2 8 3 9 5 4
+9 6 5 1 2 8 7 4 3
+4 1 2 3 5 7 8 6 9
+7 3 8 6 9 4 5 1 2

boards/veryhard/25.txt

@@ -0,0 +1,19 @@
+0 5 8 9 1 0 0 0 0
+3 4 0 0 0 0 0 0 6
+0 0 0 2 0 0 0 0 0
+0 0 0 0 0 0 7 0 0
+0 1 0 8 0 0 0 0 0
+0 0 0 0 6 5 0 0 0
+2 0 0 6 0 7 3 0 4
+0 0 0 0 0 0 0 0 5
+0 6 7 0 0 0 0 1 9
+
+6 5 8 9 1 3 4 2 7
+3 4 2 5 7 8 1 9 6
+1 7 9 2 4 6 8 5 3
+9 3 5 4 2 1 7 6 8
+7 1 6 8 3 9 5 4 2
+8 2 4 7 6 5 9 3 1
+2 9 1 6 5 7 3 8 4
+4 8 3 1 9 2 6 7 5
+5 6 7 3 8 4 2 1 9

boards/veryhard/26.txt

@@ -0,0 +1,19 @@
+9 0 3 0 0 7 0 0 4
+0 0 0 0 1 0 0 0 0
+0 0 0 0 6 2 0 8 0
+2 0 5 1 4 0 3 0 0
+1 4 0 0 0 0 0 6 8
+0 0 9 0 8 5 2 0 1
+0 3 0 5 7 0 0 0 0
+0 0 0 0 3 0 0 0 0
+7 0 0 2 0 0 4 0 3
+
+9 2 3 8 5 7 6 1 4
+6 5 8 4 1 9 7 3 2
+4 7 1 3 6 2 9 8 5
+2 8 5 1 4 6 3 7 9
+1 4 7 9 2 3 5 6 8
+3 6 9 7 8 5 2 4 1
+8 3 2 5 7 4 1 9 6
+5 9 4 6 3 1 8 2 7
+7 1 6 2 9 8 4 5 3

boards/veryhard/27.txt

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

main.lua

@@ -1,3 +1,4 @@
+TextBox = require "ui.textbox"
 require "ui.globals"
 require "ui.config"
 require "ui.colors"
@@ -19,10 +20,14 @@ function love.load()
     uiBoard[1] = cloneBoard(board[1])
     uiBoard[2] = cloneBoard(board[1])
     uiBoard[3] = cloneBoard(board[1])
+    inputBox = TextBox(50, 50, 500, 45)
+    inputBox.focused = false
+    inputBox.enabled = false
     initUI()
 end
 
 function love.update(dt)
+    inputBox:blink(dt)
 end
 
 function love.draw()
@@ -32,4 +37,9 @@ function love.draw()
     drawBigNumbers()
     drawCursor()
     drawMessages()
+    inputBox:draw()
+end
+
+function love.textinput(t)
+    inputBox:append(t)
 end

ui/config.lua

@@ -28,4 +28,5 @@ colors.boardThikLines = "000000"
 
 board.fn = "boards/veryhard/01.txt"
 board.fn = "boards/easy/03.txt"
-board.fn = "boards/hard/03.txt"
+board.fn = "boards/hard/04.txt"
+board.fn = "boards/veryhard/27.txt"

ui/keyboard.lua

@@ -72,6 +72,12 @@ function handleUp(shift)
 end
 
 function love.keypressed(key, scancode)
+    if inputBox.focused then
+        if key == "backspace" then
+            inputBox:delete()
+        end
+        return 
+    end
     local shift = love.keyboard.isDown('rshift') or love.keyboard.isDown('lshift')
     if key == "escape" or key == "q" then
         love.event.quit()
@@ -124,6 +130,9 @@ function love.keypressed(key, scancode)
                 uiBoard[2][cursor.y][cursor.x] = uiBoard[3][cursor.y][cursor.x]
                 cursor.editMode = false
             end
+        elseif key == "e" then
+            inputBox.enabled = true
+            inputBox.focused = true
         end
     end
 end

ui/textbox.lua

@@ -0,0 +1,88 @@
+TextBox = {}
+TextBox.__index = TextBox
+
+
+function TextBox:new(x, y, width, height, options)
+    local options = options or {}
+    local o = {
+        text = "",
+        x = x,
+        y = y,
+        width = width,
+        height = height,
+        borderColor = options.borderColor or {0, 0, 0},
+        bgColor = options.bgColor or {.75, .85, .75},
+        fgColor = options.fgColor or {0, 0, 0},
+        font = options.font or love.graphics.newFont(24),
+        cursorOnTime = options.cursorOnTime or .35,
+        enabled = true,
+        focused = true,
+        cursorOn = true,
+        cursorTime = 0,
+    }
+    if options.enabled == false then o.enabled = false end
+    if options.focused == false then o.focused = false end
+    if not o.enabled then o.cursorOn = false; o.focused = false end
+    setmetatable(o, TextBox)
+    return o
+end
+
+function TextBox:blink(dt)
+    if not self.focused then return end
+    self.cursorTime = self.cursorTime + dt
+    if self.cursorTime >= self.cursorOnTime then
+        self.cursorTime = self.cursorTime - self.cursorOnTime
+        self.cursorOn = not self.cursorOn
+    end
+end
+
+function TextBox:draw()
+    if not self.enabled then return end
+    love.graphics.setLineWidth(3)
+    love.graphics.setColor(unpack(self.borderColor))
+    love.graphics.rectangle("line", self.x, self.y, self.width, self.height, 10, 10)
+    love.graphics.setLineWidth(1)
+    love.graphics.setColor(unpack(self.bgColor))
+    love.graphics.rectangle("fill", self.x, self.y, self.width, self.height, 10, 10)
+    love.graphics.setColor(unpack(self.fgColor))
+    love.graphics.setFont(self.font)
+    love.graphics.print(self.text, self.x+15, self.y+7)
+
+    local mx = 15 + self.font:getWidth(self.text)
+    love.graphics.setLineWidth(2)
+    if self.cursorOn then
+        love.graphics.setColor(unpack(self.fgColor))
+        love.graphics.line(self.x+mx, self.y+7, self.x+mx, self.y+self.height-10)
+    else
+        love.graphics.setColor(unpack(self.bgColor))
+        love.graphics.line(self.x+mx, self.y+7, self.x+mx, self.y+self.height-10)
+    end
+end
+
+function TextBox:append(t)
+    if not self.focused then return end
+    if self.font:getWidth(self.text..t) < self.width - 30 then
+        self.text = self.text .. t
+    end
+end
+
+function TextBox:delete()
+    if not self.focused then return end
+    if #self.text > 0 then
+        self.text = self.text:sub(1, -2)
+    end
+end
+
+function TextBox:clear()
+    if not self.focused then return end
+    self.text = ""
+end
+
+function TextBox:keypressed(key)
+    if key == "backspace" then
+        self:delete()
+    end
+end
+
+setmetatable(TextBox, {__call=TextBox.new})
+return TextBox