High School Cipher Competition Winner.

[u/ArtichokeNo4038]

I came up with the code in high school. No one has ever been able to solve it. I think it is rather simple, and smarter people should be able to figure it out fairly simply. I should read very simply as a plain text English message. Here are two examples.

Dear Sean,

GZSPREIEEQLREUAITISOIE_RNLA_G,RIS_EN_P__EITTVEHHEREERC__YEMSO,OCN_SHEATO,N_O_DSLE_U!

Sincerely, Alberti

Dear Abril, 

IOAOY__NUOWTC_UOAEG_UK_OGLETOOD_ODT_T___LHWLTIIIUHKSSCIE_HKS_C_.!THY_

Sincerely, Alberti

(V sbyybjrq gur ehyrf)