I think symmetrically it looks like this;
OB K RU
OXO
GHUL BS OLIF
BB
W FLR V
QQ
PR N GK
SS
O
TWT
Q SJ Q
SS
EK
ZZ
WATJ KLUDI A WINF BNYPV
TT
MZFP KWGD KZ XTJC DIGK
UHU
AUE K CAR
Look at WATJ and WINF T-N=F
KLUDI and BNYPV Y-U=D
MZFP and XTJC Z-T=F
KWDG and DIGK K=G=K
It reminds me of ee Cummings poem codes