Name
..
cycle_letters_in_word
five_digit_addition
five_digit_subtraction
four_digit_addition
four_digit_subtraction
mid_word_1_anagrams
mid_word_2_anagrams
random_insertion_in_word
reversed_words
single_digit_three_ops
six_digit_addition
six_digit_subtraction
sum_of_digits
three_digit_addition
three_digit_subtraction
two_digit_addition
two_digit_multiplication
two_digit_subtraction