Decrypting WPA-EAPOL-PBKDF2 quiestion ?

[undeath]

you need to run multiple masks, each one with a position that does not include a digit

hcmask example:
?l?u?d,?l?u,?2?1?1?1?1?1?1?1
?l?u?d,?l?u,?1?2?1?1?1?1?1?1
…
?l?u?d,?l?u,?1?1?1?1?1?1?1?2

but this attack is going to take a long time.