2 tour 159, prod = 0, consommation = - 3
prod = 0 - 3 = - 3
3 tour 160, prod = 3 mat, consommation = - 3
3 mat x 0,75 = 2 - 3 = - 1 + 1 ppbc = 0
4 tour 161, prod = 4 mat, consommation = - 3
4 mat x 0,75 = 3 - 3 = 0 + 1 ppbc = + 1
5 tour 162, prod = 5 mat, consommation = - 3
5 mat x 0,75 = 3 - 3 = 0 + 1 ppbc = + 1
total = 4 - 1 = + 3 march
total bietou a la fin du tour 162(conso tour 162 comptée) = + 3 marchandises gagnées