I took the index of your words, converted the range to binary, additional 3 zeros, calculated the sha256 digest, took the 1st Portion of the hexadecimal to convert it to binary, included a few zeros into the 8 digits of your binary and bought 00000010011 which translates to 19 in https://social40.com/story4314506/invalid-bip39-phrase-things-to-know-before-you-buy