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KBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECByxcQFpoRMBzwAAAABJRU5ErkJggg==step1

adds the odd number of the list. step2

3multiplies the sum of the odd by 3step3

adds the even numbers of the list up.step4

adds the product of the sum of odds by 3 to the sum of the evenstep512Adds sum of product to check digit (last digit of list)step6 with extension

checks for valid or invalid by checking step 5 Mod 10 =0, also has the extension to check what kind of item it is.

101751210728007,2,1,3,6,6,0,1,5,4,3,80