y,z,x = gps.locate(2)
print("enter x")
j = read()
print("enter depth")
k = read()
print("enter y")
l = read()
print(j)
print(k)
print(l)
J = tonumber(j)
K = tonumber(k)
L = tonumber(l)
while K < z do
turtle.digDown()
turtle.down()
y,z,x = gps.locate(2)
end

while K > z do
turtle.digUp()
turtle.up()
y,z,x = gps.locate(2)
end

while L < x do
turtle.dig()
turtle.forward()
turtle.digUp()
F = 1
y,z,x = gps.locate(2)
end
end

H = x - L
if H > 0 then
turtle.turnRight()
turtle.turnRight()
end
while L > x do
turtle.dig()
turtle.forward()
turtle.digUp()
F = 2
y,z,x = gps.locate(2)
end