import sys

# sys.setrecursionlimit(200005)
# sys.set_int_max_str_digits(200005)
int1 = lambda x: int(x)-1
pDB = lambda *x: print(*x, end="\n", file=sys.stderr)
p2D = lambda x: print(*x, sep="\n", end="\n\n", file=sys.stderr)
def II(): return int(sys.stdin.readline())
def LI(): return list(map(int, sys.stdin.readline().split()))
def LLI(rows_number): return [LI() for _ in range(rows_number)]
def LI1(): return list(map(int1, sys.stdin.readline().split()))
def LLI1(rows_number): return [LI1() for _ in range(rows_number)]
def SI(): return sys.stdin.readline().rstrip()

dij = [(0, 1), (-1, 0), (0, -1), (1, 0)]
# dij = [(0, 1), (-1, 0), (0, -1), (1, 0), (1, 1), (1, -1), (-1, 1), (-1, -1)]
# inf = -1-(-1 << 31)
inf = -1-(-1 << 62)

# md = 10**9+7
# md = 998244353

from math import lcm

def size(rep):
    fin=[0]*n
    l=1
    for i in range(n):
        if fin[i]:continue
        s=0
        while fin[i]==0:
            fin[i]=1
            s+=1
            i=rep[i]
        l=lcm(l,s)
    return l

def dfs(toi,toj,cnt):
    if cnt:
        for i in range(n):
            rep=[0]*n
            ni=toi[i]
            for nj,a in zip(toj,aa[i]):rep[nj]=a
            if dfs([rep[t] for t in toi],toj,cnt-1):
                si,ni=ni,rep[ni]
                for _ in range(size(rep)-1):
                    ans.append("R "+str(ni+1))
                    ni=rep[ni]
                return True
        for j in range(n):
            rep=[0]*n
            nj=toj[j]
            for i in range(n):
                ni=toi[i]
                rep[ni]=aa[i][j]
            if dfs(toi,[rep[t] for t in toj],cnt-1):
                sj, nj = nj, rep[nj]
                for _ in range(size(rep)-1):
                    ans.append("C "+str(nj+1))
                    nj = rep[nj]
                return True
        return False
    for i in range(n):
        for j in range(n):
            ni=toi[i]
            nj=toj[j]
            if aa[i][j]!=bb[ni][nj]:return False
    return True

n,k=LI()
aa=LLI1(n)
bb=LLI1(n)
ans=[]
dfs(list(range(n)),list(range(n)),k)
print(len(ans))
print(*ans,sep="\n")