s_cherry_e/sr/etc/data/exchange_slot.json

[
    {"SlotType":1,"ExchangeType":1,"FreeCount":8,"Cost":[[2,100],[2,200],[2,300]]},
    {"SlotType":2,"ExchangeType":1,"FreeCount":8,"Cost":[[2,100],[2,200],[2,300]]},
    {"SlotType":1,"ExchangeType":2,"FreeCount":8,"Cost":[[2,100],[2,200],[2,300]]},
    {"SlotType":2,"ExchangeType":2,"FreeCount":8,"Cost":[[2,100],[2,200],[2,300]]}
]