# File lib/quiz1/t/solutions/Moses Hohman/cipher.rb, line 88
                def crypt
                        ciphered = [@chunker.number_chunks, @keystream_chunker.number_chunks].collect_peel do |num_chunk, keystream_num_chunk|
                                [num_chunk, keystream_num_chunk].collect_peel do |num, keystream_num|
                                        @calc_number.call(num,keystream_num).offset_mod(ALPHABET_SIZE)
                                end
                        end
                        Chunker.to_letters(ciphered).join(" ").rstrip
                end