Solved by y0105w49

#	Title	# Solved	Avg. Tries
21231	Count the Cows	18	2.00
21300	Bottle Return	4,913	1.15
21301	Comfy Deviations	121	1.26
21303	Magic Drone	2	1.00
21304	Marbles	33	2.52
21305	Chocolate Bar Game	16	3.88
21306	Three Triangles	12	1.25
21307	ICPC Standings	18	3.67
21309	Cardinal Adjacencies	89	1.12
21310	Stern’s Sequence	17	1.12
21311	Evenly Separated Strings	66	1.88
21337	Atomic Energy	55	3.04
21339	Contest Struggles	248	1.63
21340	Dragon Balls	80	4.40
21341	Endgame	70	3.21
21342	Flight Collision	66	3.29
21343	Great Expectations	36	2.69
21344	Hot Springs	114	1.32
21345	Island Tour	52	1.69
21346	Joint Excavation	59	1.92
21347	Keyboardd	146	1.58
21585	Alien Microwave	18	1.61
21586	Another Substring Query Problem	38	3.89
21587	Borders	16	1.50
21588	Circle of Friends	13	4.31
21589	Finding Polly	4	13.50
21590	Investigating Imposters	33	1.33
21591	Laptop Sticker	1,731	1.39
21592	Longest Common Substring	80	1.93
21593	Simple Cron Spec	15	1.20
21594	Surveillance	7	1.43
21595	Train Line	6	2.17
21596	Window Shopping	3	1.00
21597	You Be the Judge!	34	3.29
21616	Modern Art	52	1.75
21617	Crazy Fencing	124	1.35
21618	Lunch Concert	33	1.36
21619	Daily Commute	13	1.92
21620	Math Homework	23	2.61
21823	Swap Swap Sort	27	3.04
21824	Weird Numeral System	15	7.80
21825	Through Another Maze Darkly	22	1.95
21826	Travelling Merchant	6	2.83
21827	Bread First Search	30	1.80
21828	Loop Town	11	1.64
21882	Coins on a tree	50	3.60
22020	デジタルアート (Digital Art)	36	2.78
22048	Bit Shift Registers	23	3.35
22660	Princess, a Cryptanalyst	7	4.43
22922	AND Permutation	30	2.53

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