I took the index of the words, transformed the number to binary, extra a few zeros, calculated the sha256 digest, took the primary Portion of the hexadecimal to transform it to binary, added a few zeros on the eight digits of the binary and bought 00000010011 which translates to 19 https://webnowmedia.com/story4226008/the-ultimate-guide-to-bip39-seed-phrase-github