The basket is:

"EURJPYb","AUDJPYb",
"EURUSDs","EURAUDs",
"USDCHFb","NZDUSDb",
"EURGBPs","USDCADb",
"GBPCHFb","EURCHFb",
"AUDUSDs","GBPUSDb",
"CHFJPYs"

The 'b' and 's' stand for Buy & Sell. Same lot-size used for each...