a,11801.183,55809.601
b,17339.852,60272.828
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1,2
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a,b,1,4.39072
b,1,a,7.52467
1,a,b,167.28115
b,2,1,54.59224
2,1,b,49.21463
1,b,2,75.38571
2,a,1,39.16332
a,1,2,23.50318
1,2,a,116.52571