function iff (x,y)
if a [x][y]==1 then
turtle.select(1)
elseif a[x][y]==2 then
turtle.select(2)
elseif a[x][y]==3 then
turtle.select(3)
elseif a[x][y]==4 then
turtle.select(4)
elseif a[x][y]==5 then
turtle.select(5)
elseif a[x][y]==6 then
turtle.select(6)
elseif a[x][y]==7 then
turtle.select(7)
elseif a[x][y]==8 then
turtle.select(8)
elseif a[x][y]==9 then
turtle.select(9)
end
end

a={{1,1,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,1,1},
   {1,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,1},
   {3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3},
   {3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3},
   {3,3,3,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,3,3,3},
   {3,3,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,3,3},
   {3,3,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,3,3},
   {4,4,5,5,5,5,5,5,5,4,4,5,5,5,5,5,5,5,5,5,5,5,4,4},
   {4,4,5,5,5,5,5,5,5,4,4,4,4,5,5,5,5,5,5,5,5,5,4,4},
   {4,4,5,5,5,5,5,5,5,4,4,4,4,4,4,5,5,5,5,5,5,5,4,4},
   {4,4,5,5,5,5,5,5,5,4,4,4,4,4,4,5,5,5,5,5,5,5,4,4},
   {4,4,6,6,6,6,6,6,6,4,4,4,4,6,6,6,6,6,6,6,6,6,4,4},
   {4,4,6,6,6,6,6,6,6,4,4,6,6,6,6,6,6,6,6,6,6,6,4,4},
   {4,4,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,4,4},
   {4,4,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,4,4},
   {4,4,4,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,4,4,4},
   {8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8},
   {8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8},
   {7,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,7},
   {7,7,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,7,7}}

turtle.up()
for x=1,20 do
for y = 1,24 do
iff(x,y)
turtle.placeDown()
turtle.forward()
end
turtle.turnRight()
turtle.forward()
turtle.turnRight()
for y = 1,24 do
turtle.forward()
end
turtle.turnRight()
turtle.turnRight()
end