Google Code Jam 2009 Round 2

	#	제목
A1	12629	Crazy Rows (Small)
A2	12630	Crazy Rows (Large)
B1	12631	A Digging Problem (Small)
B2	12632	A Digging Problem (Large)
C1	12633	Stock Charts (Small)
C2	12634	Stock Charts (Large)
D1	12635	Watering Plants (Small)
D2	12636	Watering Plants (Large)