I took the index of your words, converted the variety to binary, additional 3 zeros, calculated the sha256 digest, took the primary A part of the hexadecimal to convert it to binary, additional 3 zeros towards the 8 digits of the binary and bought 00000010011 which translates to 19 in https://siambookmark.com/story18863379/a-review-of-bip39-phrase-list