variation size appears from biggest to smallest size and i cant change it

Hi

my product variation form for some reason is Larg medium and small when it suppose to start from small and I can’t change it. it applies to all my product variations. when I add variation to my product its, not in correct form and if i change variation from setting it doesn’t change it

can someone help me with this ?

The page I need help with: [log in to see the link]