View difference between Paste ID: 74PCKksY and MCUjTpc9

 -- 1 - glass
 -- 2 - black
 -- 3 - red
 Slots = {
-	{1, 1, 1, 2, 1, 1, 1},
+	{
-    {1, 1, 2, 3, 2, 1, 1},
+        {2, 3, 3, 2},
-    {1, 2, 3, 3, 3, 2, 1},
+        {3, 0, 0, 3},
-    {2, 3, 3, 3, 3, 3, 2},
+        {3, 0, 0, 3},
-    {2, 3, 3, 2, 3, 3, 2},
+        {2, 3, 3, 2}
-    {1, 2, 2, 1, 2, 2, 1}
+	},
 	{
         {3, 0, 0, 3},
-for line = 1, #Slots do
+        {0, 0, 0, 0},
-    for elem = 1, #Slots[line] do
+        {0, 0, 0, 0},
-      turtle.select(Slots[line][elem])
+        {3, 0, 0, 3}
-      turtle.placeDown()
+    }
-      turtle.forward()
+
 
 
-    for turt = 1, #Slots[line] do
+
-      turtle.back()
+
 for layer = 1, #Slots do
-    turtle.up()
+    -- From 1 to number of elements in Slots (2)
     for line = 1, #Slots[layer] do
         -- When program starts line == 1
         -- From 1 to number of elements
         -- in line number `line` (7)
         -- On the second time line == 2
         for elem = 1, #Slots[layer][line] do
           -- When program starts elem == 1
           -- Then Slots[line][elem] == Slots[1][1] == 1
           -- On the second time
           -- elem == 2
           -- Then Slots[line][elem] == Slots[2][1] == 1
           slot = Slots[line][elem]
           if slot ~= 0 then
               turtle.select(slot)
               turtle.placeDown()
           end
           turtle.forward()
         end
 
         for turt = 1, #Slots[line] do
           turtle.back()
         end
         turtle.up()
     end
     turtle.turnRight()
     turtle.forward()
     turtle.turnLeft()
     for i = 1, #Slots do
        turtle.down()
     end
 end