I've decided to keep this description to a minimum and will only mention that the hidden text is half of what follows.
SU VX NP EG NP TV QS RT HJ WY DF HJ FH GI SU
SU GI HJ QS SU DF DF MO SU VX DF MO SU XZ EG NP TV QS
SU GI HJ QS SU XZ EG HJ UW DF DF HJ FH GI SU XZ
EG NP QS SU XZ RT HJ WY YA DF QS NP SU VX NP
SU GI HJ QS SU XZ NP MO DF YA DF QS NP SU VX NP
RT HJ WY SU XZ EG NP TV QS YA DF QS NP SU VX NP
SU VX DF MO SU XZ MO HJ MO DF SU XZ NP MO DF
SU GI HJ QS SU XZ EG HJ UW DF
Congratulations to first finders CarlottaP and oaknest.
[hide] Qbja ybj - fvggvat ba pbapergr – va pbeare arkg gb 4 k 4 iregvpny fhccbeg.