M1 timeframe.
Default settings.
Slippage 4.
Use different magicnumber for the every pair.
EURUSD (alpari MT4).
Next pairs are testing using one copy of MT4 (North Finance):
AUDUSD 
GBPCHF, 
GBPJPY, 
GBPUSD, 
USDCAD, 
USDCHF, 
USDJPY.