DL 
N = 12
FORMAT = LOWERHALF DIAGONAL ABSENT
LABELS: AEI,BC,BI,BRT,CB,CC,CED,CFR,HF,HI,NAM,TC
DATA:
3
0  1
5 10  2
2  3  3 11
1  0  1  2  1
2  1  1  6  3  1
0  0  2  3  1  1  0
1  0  0  1  0  1  0  0
3  1  0  1  0  0  1  0  2
0  0  0  1  0  2  0  0  0  0
0  0  3  1  0  0  1  3  0  0  0