Solved by sansen

#	Title	# Solved	Avg. Tries
3836	Coin Collecting	31	3.29
18314	Non-Decreasing Subsequences	58	3.53
18758	Fast as Ryser	19	2.37
20631	All your base are belong to us	22	2.36
21763	Bingo	170	3.28
21764	Histogram Sequence 2	103	1.70
21765	Opinion Pool	85	1.85
25952	Rectangles	71	4.63
30095	GCD SUM	19	3.79
30809	Yet Another Coin Problem	7	1.86
31395	Number of Sorted Contiguous Subsequences	556	2.05
31396	Overload Prevention	95	2.02
31398	Gas Station	50	2.30
31399	Aris, Clean Up! (Hard)	58	4.48

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