import copy
N,K = map(int,input().split())
A = [list(map(int,input().split())) for _ in range(N)]
A = [[A[i][j]-1 for j in range(N)] for i in range(N)]
B = [list(map(int,input().split())) for _ in range(N)]
B = [[B[i][j]-1 for j in range(N)] for i in range(N)]
C = copy.deepcopy(B)
def inv_b(b):
    c = [(b[i],i) for i in range(N)]
    c = sorted(c,key=lambda x:x[0])
    c = [c[i][1] for i in range(N)]
    return c
def row_tr(b):
    global B,C
    for k in range(N):
        for j1 in range(N):
            C[b[k]][j1] = B[k][j1]
    B = copy.deepcopy(C)
def col_tr(b):
    global B,C
    for k in range(N):
        for i1 in range(N):
            C[i1][b[k]] = B[i1][k]
    B = copy.deepcopy(C)
ans = []
def dfs(x,i):
    global A,B,C,ans
    if len(ans)>K:
        return False
    flag = True
    for i in range(N):
        for j in range(N):
            if A[i][j]!=B[i][j]:
                flag = False
                break
        if not flag:break
    if flag:
        return flag
    for y in ["R","C"]:
        for j in range(N):
            if y=="R":
                b = [0]*N
                for k in range(N):
                    b[k] = B[j][k]
                row_tr(b)
            else:
                b = [0]*N
                for k in range(N):
                    b[k] = B[k][j]
                col_tr(b)
            ans.append((y,j+1))
            flag = dfs(y,j)
            if flag:
                return flag
            if y=="R":
                row_tr(inv_b(b))
            else:
                col_tr(inv_b(b))
            ans.pop()
    return False
flag = False
for x in ["R","C"]:
    for i in range(N):
        if x=="R":
            b = [0]*N
            for k in range(N):
                b[k] = B[i][k]
            row_tr(b)
        else:
            b = [0]*N
            for k in range(N):
                b[k] = B[k][i]
            col_tr(b)
        ans.append((x,i+1))
        flag = dfs(x,i)
        if flag:break
        if x=="R":
            row_tr(inv_b(b))
        else:
            col_tr(inv_b(b))
        ans.pop()
    if flag:break
print(len(ans))
for x,i in ans:
    print(x,i)