import sys
import random

dict_path, n, m = sys.argv[1:4]
n = int(n)
m = int(m)
words = list(map(str.rstrip, open(dict_path)))
max_word_len = max(map(len, words))
len_below = [[w for w in words if len(w) <= i] for i in range(max_word_len + 1)]
print(m)
print(n)
lines = []
for i in range(n):
    line = list(' ' * m)
    i = 0
    while i < m:
        ws = len_below[m - i] if m - i <= max_word_len else words
        if ws:
            word = random.choice(ws)
            for j, c in enumerate(word):
                line[i + j] = c
            i += len(word) + 1
        else:
            break
    lines.append(line)
cols = list(map(''.join, zip(*lines)))
random.shuffle(cols)
print('\n'.join(cols))
print()
print(dict_path)
print()
print('\n'.join(map(''.join, lines)))