Я не понял, но средний вариант выглядит норм, чому правый дороже?
And the answer, according to Zwift: A computer.
In discussing the lack of coherence with Zwift, the company said: “It’s important to note that the methodology requires randomness. These packages are not crafted by a human to make a nice coherent package of features. But the randomness and the large sample set should help us make sense of what people value.”