Example:

Initial State
JVIOTETSEGONMPYVQMWXLRDCIWYAZZGSKDFHKJULNRCQXUBPFBAH

Keystream
OEPULTPAMZVSZLHLEINNNULBPKDXPDUCDOUPOCYOHSZRZQMLBSHKBSEKHTVC
TZKBFRLUCAPABIJXROUIVSQVBYQYPEGHALWZUPOLXZWDFCKYNGXNMAYTAOYT
UJDJSZJHBAGLJIRURSSCLHAHXXUIQXIORDWAAXMHPVMKKHYAKSNFTKXXXCST
ITTLTACQCCCRWOUZBVOPOIIHLQFYQQWKSKKARKKLAKRXNXHICGXCWQJAZBLZ
XMOPYMEYOXQMCCXXMKFEXBNPXWPOCIYDIYGPWDZYNJBSJCFIXWJJJUUZEGBU
QUWBTCIVWDOSYEVTHZRTGFZIKJFJFGDDFBJUNBPNLBAGRMTWTYHEGNDHDVVS
IMYZNCOCWKUBJKNLBBWCYRTPUAUAFTLUDXBKCFCBTIMENKWINZGMCKXCEEXM
OISVSNEONYBHPZJEPBYASJWABADZDIIVFALCULCAIAPXFOQHMSQLEKWFFUIN
NGJROAOOOAXAKXWWFQBPYLOFHUGTIJGUGXXEMDCDHLZXPYPQDNXONGFAHFER
FUYBXBOVJCXJALWGSNSMCFIKIKKONNCLBFOLITTAXSOISBOEOJYDWWYHTARG