b

x = 0
t = 0
cyclet = 0
cycles = 0
print("x is "..x)
print("t is "..t)
print("cyclet is "..cyclet)
print("cycles are "..cycles)

function main()
if x < 8 then
while x < 8 do
turtle.dig()
turtle.forward()
x = x + 1
end
end
end

function cycleCounter()
if x == 8 then
cycles = cycles + 1
print(cycles)
end
end

function turn()
if x == 8 and cyclet == 0 and t == 0 then
while x == 8 do
print("turn one")
turtle.turnRight()
turtle.dig()
turtle.forward()
turtle.turnRight()
x = 0
t = 1
end
end
end
end
end

function turnTwo()
if x == 8 and cyclet == 0 and t == 1 then
while x == 8 do
print("turn two")
turtle.turnLeft()
turtle.dig()
turtle.forward()
turtle.turnLeft()
x = 0
t = 0
end
end
end
end
end

function endCycle()
if cycles == 8 then
turtle.digDown()
turtle.down()
turtle.turnLeft()
turtle.turnLeft()
cycles = 0
t = 0
x = 0
print("new cycle")
if cyclet == 0 then
cyclet = 1
else
cyclet = 0
end
end
end

function turnThree()
if x == 8 and cyclet == 1 and t == 0 then
while x == 8 do
print("turn three")
turtle.turnLeft()
turtle.dig()
turtle.forward()
turtle.turnLeft()
x = 0
t = 1
end
end
end
end
end

function turnFour()
if x == 8 then and cyclet == 1 and t == 1 then
while x == 8 do
print("turn four")
turtle.turnRight()
turtle.dig()
turtle.forward()
turtle.turnRight()
x = 0
t = 0
end
end
end
end
end

while true do
main()
cycleCounter()
endCycle()
turn()
turnTwo()
turnThree()
turnFour()
end