March 2012 Challenge
Free Shuttle Service, Spoon in Matrix
April Challenge 2012
Fit to Play, Double Strings, Stacking Pancakes
March Challenge 2013
Tourist Translations, Approximately
May Challenge 2013
Name Reduction, Your Name is Mine
July Challenge 2013
Chef and Walking on the rectangle , Count K-Primes
August Challenge 2013
Little Elephant and Lemonade, Splitting Candies
October Challenge 2013
Helping Lira, Maxim and Dividers
November Challenge 2013
Superpowers of 2, Uncle Johny, Square Digit Squares, Missing some chairs
December Challenge 2013
Chef and Codes, Funny Marbles, Magic Pairs
January Challenge 2014
Please like me, Chef and Feedback
September Challenge 2014
Chef and Rainbow Array - 2, Chef and Left-Right, Chef and sequence, Fun with Rotation
October Challenge 2014
Chef and Ground, Magical Girl and Colored Liquid Potions
