local bxor = bit.bxor
local mmi, mma = math.min, math.max

local n = io.read("*n")
local a, b = {}, {}
for i = 1, n do
  a[i] = io.read("*n")
end
for i = 1, n do
  b[i] = io.read("*n")
end
local max = 0
for i = 1, n do
  max = mma(max, a[i], b[i])
end
local mul = 1
while mul * 2 <= max do
  mul = mul * 2
end
local atgt = false
for i = 1, n do
  if mul <= a[i] then
    atgt = i break
  end
end
local ret = {}
if not atgt then
  for i = 1, n do
    if mul <= b[i] then
      a[1] = bxor(a[1], b[i])
      table.insert(ret, {1, 1, i})
      atgt = 1
      break
    end
  end
end
local v = a[atgt]
for i = 1, n do
  if b[i] < mul then
    table.insert(ret, {2, atgt, i})
    b[i] = bxor(b[i], v)
  end
end
v = b[1]
for i = 1, n do
  if mul <= a[i] then
    table.insert(ret, {1, i, 1})
    -- a[i] = bxor(a[i], v)
  end
end
print(#ret)
for i = 1, n do
  print(table.concat(ret[i], " "))
end