TreeTap

function row (c)
control = c%2
-- even
if control ==1 then
treer()
move()
end
--odd
if control ==0 then
treel()
move()
end
for i=0,3,1 do
if control ==0 then
treel()
move()
treel()
move()
c=c+1
end
if control ==1 then
treer()
move()
treer()
move()
c=c+1
end
control = c%2
end
if control ==0 then
treer()
move()
end
--odd
if control ==1 then
treel()
move()
end
end

function treer ()
for i=0,7,1 do
turtle.dig()
turtle.up()
end
turtle.turnRight()
turtle.forward()
turtle.turnLeft()
turtle.forward()
turtle.turnLeft()
for i=0,7,1 do
turtle.dig()
turtle.down()
end
turtle.turnRight()
turtle.forward()
turtle.turnLeft()
turtle.forward()
turtle.turnLeft()
for i=0,7,1 do
turtle.dig()
turtle.up()
end
turtle.turnRight()
turtle.forward()
turtle.turnLeft()
turtle.forward()
turtle.turnLeft()
for i=0,7,1 do
turtle.dig()
turtle.down()
end
end

function treel ()
for i=0,7,1 do
turtle.dig()
turtle.up()
end
turtle.turnLeft()
turtle.forward()
turtle.turnRight()
turtle.forward()
turtle.turnRight()
for i=0,7,1 do
turtle.dig()
turtle.down()
end
turtle.turnLeft()
turtle.forward()
turtle.turnRight()
turtle.forward()
turtle.turnRight()
for i=0,7,1 do
turtle.dig()
turtle.up()
end
turtle.turnLeft()
turtle.forward()
turtle.turnRight()
turtle.forward()
turtle.turnRight()
for i=0,7,1 do
turtle.dig()
turtle.down()
end
end

function move ()
turtle.back()
turtle.back()
turtle.back()
turtle.turnRight()
turtle.turnRight()
end

row(1)
row(2)
row(3)