We used a (very) ffine cipher for the following text.

JXIX GRXE XUMX SXCX NUVK NGDR LPMX VKPM XRPV KAKX ERVZ PGTJ DPDP
UZSX QUDU UMXZ QREX KPRU TVCZ UDMA KVNX XSUV UMXU MRKS CGVV KIXQ
NMCV KLVK XRQC VKLD URVQ
