ACM International Collegiate Programming Contest
Japan Domestic, 2005-07-01

Output(sample)

data1 data2 data3 data4
A1 A2 A3 A4
B1 B2 B3 B4
C1 C2 C3 C4
D1 D2 D3 D4
E1 E2 E3 E4
F1 F2 F3 F4

The ACM ICPC