Currency Exchange Pair Sequence
USD->HKD
JPY->CNH
EUR->HKD
GBP->HKD
USD->CNH
JPY->HKD
AUD->CNH
USD->JPY
EUR->CNH
GBP->CNH
HKD->CNH
CAD->CNH
AUD->USD
USD->CAD
GBP->USD
EUR->USD
USD->SGD