import java.io.PrintWriter
import java.util.*
import kotlin.math.*

fun PrintWriter.solve() {
    val n = nextInt()
    val a = Array(n) { nextInt() }
    val b = Array(n) { nextInt() }
    val pqa = PriorityQueue<Pair<Int, Int>> { x, y -> y.first.compareTo(x.first) }
    for (i in 0 until n) {
        pqa.add(a[i] to i + 1)
    }
    val pqb = PriorityQueue<Pair<Int, Int>> { x, y -> x.first.compareTo(y.first) }
    for (i in 0 until n) {
        pqb.add(b[i] to i + 1)
    }
    val lst = mutableListOf<Triple<Int, Int, Int>>()
    for (i in 0 until 10000) {
        val (va, ia) = pqa.poll()
        val (vb, ib) = pqb.poll()
        if (va < vb) break
        val v = va xor vb
        if (va > v) {
            lst.add(Triple(1, ia, ib))
            pqa.add(v to ia)
            pqb.add(vb to ib)
        } else {
            lst.add(Triple(2, ia, ib))
            pqa.add(va to ia)
            pqb.add(v to ib)
        }
    }
    println(lst.size)
    for ((x, y, z) in lst) {
        println("$x $y $z")
    }
}

fun main() {
    Thread(null, {
        val writer = PrintWriter(System.out, false)
        writer.solve()
        writer.flush()
    }, "solve", abs(1L.shl(26)))
        .apply { setUncaughtExceptionHandler { _, e -> e.printStackTrace(); kotlin.system.exitProcess(1) } }
        .apply { start() }.join()
}

// region Scanner
private var st = StringTokenizer("")
private val br = System.`in`.bufferedReader()

fun next(): String {
    while (!st.hasMoreTokens()) st = StringTokenizer(br.readLine())
    return st.nextToken()
}

fun nextInt() = next().toInt()
fun nextLong() = next().toLong()
fun nextLine() = br.readLine()
fun nextDouble() = next().toDouble()
// endregion