Google Code Jam 2011 Round 3

	#	제목
A1	12475	Irregular Cakes (Small)
A2	12476	Irregular Cakes (Large)
B1	12477	Dire Straights (Small)
B2	12478	Dire Straights (Large)
C1	12479	Perpetual Motion (Small)
C2	12480	Perpetual Motion (Large)
D1	12481	Mystery Square (Small)
D2	12482	Mystery Square (Large)