N=int(input())
K=int(input())
A=[0]*N
for i in range(N):
    A[i]=i
for i in range(K):
    u,v=map(int,input().split())
    u-=1
    v-=1
    A[u],A[v]=A[v],A[u]
print(A)
B=list(map(int,input().split()))
for i in range(N):
    B[i]-=1
C=[0]*N
for i in range(N):
    C[B[i]]=i
print(C)
ans=[]
for i in range(N):
    j=0
    while C[i]!=A[j]:
        j+=1
    while j!=i:
        ans.append((j,j+1))
        A[j],A[j-1]=A[j-1],A[j]
        j-=1
print(len(ans))
for i in range(len(ans)):
    print(ans[i][0],ans[i][1],'')