def change(A,com,ind):
    if com=="R":
        A2=[]
        for i in range(N):
            A2.append(A[i*N:i*N+N])

        C=[[] for i in range(N)]

        for j in range(N):
            C[A2[ind-1][j]-1]=A2[j]

        D=[]
        for i in range(N):
            for x in C[i]:
                D.append(x)

        return D
    else:
        B=[]
        for i in range(N):
            for j in range(N):
                B.append(A[j*N+i])

        #print(B)

        B2=[]
        for i in range(N):
            B2.append(B[i*N:i*N+N])

        C=[[] for i in range(N)]

        for j in range(N):
            C[B2[ind-1][j]-1]=B2[j]

        D=[]
        for i in range(N):
            for x in C[i]:
                D.append(x)

        E=[]
        for i in range(N):
            for j in range(N):
                E.append(D[j*N+i])

        return E

N,K=map(int,input().split())

A=[]
for i in range(N):
    A+=list(map(int,input().split()))

A0=tuple(A)

B=[]
for i in range(N):
    B+=list(map(int,input().split()))

DICT=dict()
DICT[tuple(A)]=[]

FROM=dict()

Q=[tuple(A)]

for i in range(4):
    #print(i,len(Q))
    NQ=[]
    while Q:
        A=Q.pop()
        ANS=DICT[A]

        for ind in range(1,N+1):
            A2=change(A,"R",ind)

            if tuple(A2) in DICT:
                pass
            else:
                ANS2=ANS+[["R",ind]]
                DICT[tuple(A2)]=ANS2
                FROM[tuple(A2)]=(tuple(A),"R",ind)
                NQ.append(tuple(A2))

            A2=change(A,"C",ind)

            if tuple(A2) in DICT:
                pass
            else:
                ANS2=ANS+[["R",ind]]
                DICT[tuple(A2)]=ANS2
                FROM[tuple(A2)]=(tuple(A),"C",ind)
                NQ.append(tuple(A2))
    Q=NQ
                
B=tuple(B)
ANS=[]
while B!=tuple(A0):
    #print("!!",B)
    fr,com,ind=FROM[B]
    #print(B,fr,com,ind)

    if com=="R":
        fr2=[]
        for i in range(N):
            fr2.append(fr[i*N:i*N+N])

        need=fr2[ind-1]
        #print(need)

        while tuple(B)!=tuple(fr):
            #print(B)
            B2=[]
            for i in range(N):
                B2.append(B[i*N:i*N+N])

            #print(B2)

            for i in range(N):
                if B2[i]==tuple(need):
                    ANS.append(("R",i+1))
                    B=change(B,"R",i+1)
                    break
            B=tuple(B)
        B=tuple(B)
    else:
        B2=[]
        for i in range(N):
            for j in range(N):
                B2.append(B[j*N+i])

        fr2=[]
        for i in range(N):
            for j in range(N):
                fr2.append(fr[j*N+i])

        B=B2
        fr=fr2

        fr2=[]
        for i in range(N):
            fr2.append(fr[i*N:i*N+N])

        need=fr2[ind-1]

        while tuple(B)!=tuple(fr):
            #print(B,need)
            B2=[]
            for i in range(N):
                B2.append(B[i*N:i*N+N])

            for i in range(N):
                if B2[i]==tuple(need):
                    ANS.append(("C",i+1))
                    B=change(B,"R",i+1)
                    break

            B=tuple(B)

        B2=[]
        for i in range(N):
            for j in range(N):
                B2.append(B[j*N+i])

        B=tuple(B2)

print(len(ANS))
for com,ind in ANS:
    print(com,ind)