A' give B' 1/3 gas at degree 300, then B' can give 1/3 gas


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送交者: wavelet 于 2006-09-29, 15:24:17:

回答: haha, the other set of 3 plane can fly from opposite direction 由 wavelet 于 2006-09-29, 15:23:06:

to AAA at degree 270....




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