EWS withdrew them in NUMBER@1 after NUMBER@2 years in service , and NUMBER@3 were subsequently hired abroad -- four to the LOCATION@1 , eight to LOCATION@2 and twenty to LOCATION@3 .

EWS withdrew them in NUMBER@1 after NUMBER@2 years in service , though NUMBER@3 were subsequently hired abroad -- four to the LOCATION@1 , eight to LOCATION@2 , and twenty to LOCATION@3 .
