I took the index from the words, converted the quantity to binary, added 3 zeros, calculated the sha256 digest, took the primary Component of the hexadecimal to convert it to binary, extra 3 zeros towards the 8 digits with the binary and bought 00000010011 which translates to 19 in decimal. https://socialimarketing.com/story4443269/an-unbiased-view-of-bip39-seed-phrase-github