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]==0 then
turtle.select(16)
end
end

a = {{0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0},
        {0,0,0,0,0,0,0,1,2,2,2,2,2,2,2,2,2,2,2,1,0,0,0,0,0,0,0},
        {0,0,0,0,0,0,1,2,3,3,3,3,3,3,3,3,3,3,3,2,1,0,0,0,0,0,0},
        {0,0,0,0,0,1,2,3,4,4,4,4,4,4,4,4,4,4,4,3,2,1,0,0,0,0,0},
        {0,0,0,0,1,2,3,4,5,5,5,5,5,5,5,5,5,5,5,4,3,2,1,0,0,0,0},
        {0,0,0,1,2,3,4,5,6,6,6,6,6,6,6,6,6,6,6,5,4,3,2,1,0,0,0},
        {0,0,1,2,3,4,5,6,7,7,7,7,7,7,7,7,7,7,7,6,5,4,3,2,1,0,0},
        {0,1,2,3,4,5,6,7,0,0,0,0,0,0,0,0,0,0,0,7,6,5,4,3,2,1,0},
        {0,8,8,8,8,8,7,0,0,0,0,0,0,0,0,0,0,0,0,0,7,8,8,8,8,8,0},
        {8,8,8,8,8,8,8,0,0,0,0,0,0,0,0,0,0,0,0,0,8,8,8,8,8,8,8},
        {0,8,8,8,8,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,8,8,8,8,8,0}}


turtle.up()
for x=1,11 do
for y = 1,27 do
iff(x,y)
turtle.placeDown()
turtle.forward()
end
turtle.turnRight()
turtle.forward()
turtle.turnRight()
for y = 1,27 do
turtle.forward()
end
turtle.turnRight()
turtle.turnRight()
end