here

送交者: Enlighten 于 2007-10-26, 14:49:09:

M: Male
F: Female
T: Tao

process (accomplishment)
M1,T1,T2,F1 (M1,F1)
M1,T1,F2(M1,F2)
M2,T2,F1(M2,F1)
M2,T2,T1,F2(M2,F2)

Yes, both M's did 2 times in their own T. But there's not exchange between them.

Not only that, T1, with 2 loads inside, got used the third time. - ASH (45 bytes) 2007-10-26, 15:27:10 (178742)
- 数学本身就是抽象化理想化嘛 - Enlighten (72 bytes) 2007-10-26, 15:33:47 (178745)