This is Hill's cipher with a block size of 2. Here is known plaintext: CENTRAL TO OUR FEELINGS OF AWARENESS IS THE SENSATION OF THE PROGRESSION OF TIME* GKGZRRE XC QLC JNPAVIYQ TY WSRIREWOA IL ELP WAFXTMWKB PY RLP GXUAVZKCWKB PY RUGQC* Here is the cipher to be solved. Use the known plaintext to to construct the inverse of the key matrix. AE LEDS TM DOIMNL QEHUKB TOTELLKO OKBU UHMYWO TBOS BBWHFMCQJH NA EFPAUIZK UQLPVZ LWAOLE ZUVM MAAHVM VJME MU SS QENOVIHK JD BBQT KORVRR DVHVVZ NA ZVLPVZ TM LW SZICJB TY AH HKYW AH XQQCDR AS AHTM DKKM VJRV SKGUKSTMWO EMAH AH PAZY NCRI HV FF NNYRVMBPBO. 'ZQPANA' - GJVMOY DDDLWO*