import sys
input = sys.stdin.readline

def swap(i, j):
    global ans, A, B
    ans.append((1, i+1, j+1))
    ans.append((2, j+1, i+1))
    ans.append((1, i+1, j+1))
    A[i], B[j] = B[j], A[i]

N = int(input())
A = list(map(int, input().split()))
B = list(map(int, input().split()))
ans = []
l = A+B
l.sort()

if l[N-1]==l[N]:
    x = l[N-1]
    
    if A.count(x)==l.count(x):
        for i in range(N):
            if A[i]==x:
                swap(i, 0)
                break
    elif B.count(x)==l.count(x):
        for i in range(N):
            if B[i]==x:
                swap(0, i)
                break
    
    for i in range(N):
        if B[i]==x:
            for j in range(N):
                if A[j]==x:
                    ans.append((1, j+1, i+1))
                    A[j] = 0
            break

l = []

for i in range(N):
    l.append((A[i], i))
    l.append((B[i], i+N))

l.sort()
swap_a, swap_b = [], []

for _, i in l[:N]:
    if i>=N:
        swap_b.append(i-N)

for _, i in l[N:]:
    if i<N:
        swap_a.append(i)

ans = []

for i, j in zip(swap_a, swap_b):
    if A[i]==0 or B[j]==0:
        ans.append((1, i+1, j+1))
        ans.append((2, i+1, j+1))
        A[i], B[j] = B[j], A[i]
    else:
        swap(i, j)

assert len(ans)<=10000
print(len(ans))

for ans_i in ans:
    print(*ans_i)