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n, m = map(int, input().split())
rzedy = []
for i in range(n):
    rzedy.append(input())

kolumny = ["".join(i) for i in zip(*rzedy)]

def convert(a):
    res = []
    for k, v in enumerate(a):
        d = {}
        for z in v:
            d.setdefault(z, 0)
            d[z] += 1
        res.append((d, k))
    return res

kolumny2 = convert(kolumny)
rzedy2 = convert(rzedy)

#__import__('pprint').pprint(rzedy)
#__import__('pprint').pprint(kolumny)
#__import__('pprint').pprint(rzedy2)
#__import__('pprint').pprint(kolumny2)

answers = []

dlugosc = lambda x: len(x[0])

for _ in range(n + m):
    if len(kolumny2) == 0 or len(rzedy2) == 0:
        break
    rzedy2.sort(key=dlugosc, reverse=True)
    kolumny2.sort(key=dlugosc, reverse=True)

    if len(rzedy2[-1][0]) == 1:
        rzad = rzedy2.pop()
        k = list(rzad[0].keys())[0]
        answers.append(('R', rzad[1]+1, k))
        #print(k)
        for i in range(len(kolumny2)):
            if kolumny2[i][0][k] == 1:
                del kolumny2[i][0][k]
            else:
                kolumny2[i][0][k] -= 1
        continue

    if len(kolumny2[-1][0]) == 1:
        kolumna = kolumny2.pop()
        k = list(kolumna[0].keys())[0]
        answers.append(('K', kolumna[1]+1, k))
        #print(k)
        for i in range(len(rzedy2)):
            if rzedy2[i][0][k] == 1:
                del rzedy2[i][0][k]
            else:
                rzedy2[i][0][k] -= 1
        continue


#__import__('pprint').pprint(answers)
print(len(answers))
for i in reversed(answers):
    print(*i)